522997312 has 28 divisors (see below), whose sum is σ = 1063140876. Its totient is φ = 255119360.

The previous prime is 522997283. The next prime is 522997327. The reversal of 522997312 is 213799225.

It can be written as a sum of positive squares in 2 ways, for example, as 170459136 + 352538176 = 13056^2 + 18776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97033 + ... + 102280.

It is an arithmetic number, because the mean of its divisors is an integer number (37969317).

Almost surely, 2^522997312 is an apocalyptic number.

It is an amenable number.

522997312 is an abundant number, since it is smaller than the sum of its proper divisors (540143564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522997312 is a wasteful number, since it uses less digits than its factorization.

522997312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199366 (or 199356 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 522997312 is about 22869.1344829663. The cubic root of 522997312 is about 805.6872399850.

The spelling of 522997312 in words is "five hundred twenty-two million, nine hundred ninety-seven thousand, three hundred twelve".