520712318 has 24 divisors (see below), whose sum is σ = 948097872. Its totient is φ = 213458784.

The previous prime is 520712299. The next prime is 520712321. The reversal of 520712318 is 813217025.

It is a super-2 number, since 2×520712318² = 542282636233866248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113255 + ... + 117762.

It is an arithmetic number, because the mean of its divisors is an integer number (39504078).

Almost surely, 2^520712318 is an apocalyptic number.

520712318 is a deficient number, since it is larger than the sum of its proper divisors (427385554).

520712318 is a wasteful number, since it uses less digits than its factorization.

520712318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231056 (or 231049 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 520712318 is about 22819.1217622414. The cubic root of 520712318 is about 804.5121682007.

The spelling of 520712318 in words is "five hundred twenty million, seven hundred twelve thousand, three hundred eighteen".