531724516 has 12 divisors (see below), whose sum is σ = 939215088. Its totient is φ = 263377352.

The previous prime is 531724507. The next prime is 531724549. The reversal of 531724516 is 615427135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620746 + ... + 621601.

It is an arithmetic number, because the mean of its divisors is an integer number (78267924).

Almost surely, 2^531724516 is an apocalyptic number.

It is an amenable number.

531724516 is a deficient number, since it is larger than the sum of its proper divisors (407490572).

531724516 is a wasteful number, since it uses less digits than its factorization.

531724516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242458 (or 1242456 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 531724516 is about 23059.1525429709. The cubic root of 531724516 is about 810.1440154436.

The spelling of 531724516 in words is "five hundred thirty-one million, seven hundred twenty-four thousand, five hundred sixteen".