523920512 has 16 divisors (see below), whose sum is σ = 1043748150. Its totient is φ = 261960192.

The previous prime is 523920511. The next prime is 523920541. The reversal of 523920512 is 215029325.

It can be written as a sum of positive squares in only one way, i.e., 462078016 + 61842496 = 21496^2 + 7864^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (523920511) by changing a digit.

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 as a sum of consecutive naturals, namely, 2046437 + ... + 2046692.

Almost surely, 2^523920512 is an apocalyptic number.

It is an amenable number.

523920512 is a deficient number, since it is larger than the sum of its proper divisors (519827638).

523920512 is an equidigital number, since it uses as much as digits as its factorization.

523920512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093143 (or 4093131 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 523920512 is about 22889.3099939688. The cubic root of 523920512 is about 806.1610303284.

Adding to 523920512 its reverse (215029325), we get a palindrome (738949837).

The spelling of 523920512 in words is "five hundred twenty-three million, nine hundred twenty thousand, five hundred twelve".