520718572 has 12 divisors (see below), whose sum is σ = 994099176. Its totient is φ = 236690240.

The previous prime is 520718567. The next prime is 520718599. The reversal of 520718572 is 275817025.

It is a super-2 number, since 2×520718572² = 542295662451438368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917213 + ... + 5917300.

It is an arithmetic number, because the mean of its divisors is an integer number (82841598).

Almost surely, 2^520718572 is an apocalyptic number.

It is an amenable number.

520718572 is a deficient number, since it is larger than the sum of its proper divisors (473380604).

520718572 is a wasteful number, since it uses less digits than its factorization.

520718572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834528 (or 11834526 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 520718572 is about 22819.2587960258. The cubic root of 520718572 is about 804.5153890444.

The spelling of 520718572 in words is "five hundred twenty million, seven hundred eighteen thousand, five hundred seventy-two".