520452656 has 20 divisors (see below), whose sum is σ = 1035631632. Its totient is φ = 253192896.

The previous prime is 520452613. The next prime is 520452659. The reversal of 520452656 is 656254025.

It is not an unprimeable number, because it can be changed into a prime (520452659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438980 + ... + 440163.

Almost surely, 2^520452656 is an apocalyptic number.

It is an amenable number.

520452656 is a deficient number, since it is larger than the sum of its proper divisors (515178976).

520452656 is a wasteful number, since it uses less digits than its factorization.

520452656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879188 (or 879182 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 520452656 is about 22813.4314823527. The cubic root of 520452656 is about 804.3784181016.

The spelling of 520452656 in words is "five hundred twenty million, four hundred fifty-two thousand, six hundred fifty-six".