517057 has 4 divisors (see below), whose sum is σ = 521136. Its totient is φ = 512980.

The previous prime is 517043. The next prime is 517061. The reversal of 517057 is 750715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-517057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (130284).

2⁵¹⁷⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

517057 is a deficient number, since it is larger than the sum of its proper divisors (4079).

517057 is a wasteful number, since it uses less digits than its factorization.

517057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 517057 is about 719.0667562890. The cubic root of 517057 is about 80.2625229953.

The spelling of 517057 in words is "five hundred seventeen thousand, fifty-seven".