531578912 has 12 divisors (see below), whose sum is σ = 1046546046. Its totient is φ = 265789440.

The previous prime is 531578897. The next prime is 531578953. The reversal of 531578912 is 219875135.

It can be written as a sum of positive squares in only one way, i.e., 304293136 + 227285776 = 17444^2 + 15076^2 .

It is a super-2 number, since 2×531578912² = 565152279366207488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531578912.

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 as a sum of consecutive naturals, namely, 8305889 + ... + 8305952.

Almost surely, 2^531578912 is an apocalyptic number.

It is an amenable number.

531578912 is a deficient number, since it is larger than the sum of its proper divisors (514967134).

531578912 is a wasteful number, since it uses less digits than its factorization.

531578912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611851 (or 16611843 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 531578912 is about 23055.9951422618. The cubic root of 531578912 is about 810.0700604949.

The spelling of 531578912 in words is "five hundred thirty-one million, five hundred seventy-eight thousand, nine hundred twelve".