520525235 has 16 divisors (see below), whose sum is σ = 671500800. Its totient is φ = 386106336.

The previous prime is 520525231. The next prime is 520525253. The reversal of 520525235 is 532525025.

It is a cyclic number.

It is not a de Polignac number, because 520525235 - 2² = 520525231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520525198 and 520525207.

It is not an unprimeable number, because it can be changed into a prime (520525231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53825 + ... + 62754.

It is an arithmetic number, because the mean of its divisors is an integer number (41968800).

Almost surely, 2^520525235 is an apocalyptic number.

520525235 is a deficient number, since it is larger than the sum of its proper divisors (150975565).

520525235 is a wasteful number, since it uses less digits than its factorization.

520525235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116650.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 520525235 is about 22815.0221345499. The cubic root of 520525235 is about 804.4158075209.

The spelling of 520525235 in words is "five hundred twenty million, five hundred twenty-five thousand, two hundred thirty-five".