513859 has 8 divisors (see below), whose sum is σ = 550368. Its totient is φ = 478080.

The previous prime is 513841. The next prime is 513871. The reversal of 513859 is 958315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513859 - 2⁷ = 513731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513859.

It is not an unprimeable number, because it can be changed into a prime (513829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁵¹³⁸⁵⁹ is an apocalyptic number.

513859 is a deficient number, since it is larger than the sum of its proper divisors (36509).

513859 is a wasteful number, since it uses less digits than its factorization.

513859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 5400, while the sum is 31.

The square root of 513859 is about 716.8395915405. The cubic root of 513859 is about 80.0967059690.

The spelling of 513859 in words is "five hundred thirteen thousand, eight hundred fifty-nine".