520057 has 8 divisors (see below), whose sum is σ = 547200. Its totient is φ = 493584.

The previous prime is 520043. The next prime is 520063. The reversal of 520057 is 750025.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520067) 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, 2178 + ... + 2404.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁵²⁰⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

520057 is a deficient number, since it is larger than the sum of its proper divisors (27143).

520057 is a wasteful number, since it uses less digits than its factorization.

520057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 520057 is about 721.1497763988. The cubic root of 520057 is about 80.4174532871.

The spelling of 520057 in words is "five hundred twenty thousand, fifty-seven".