531325516 has 6 divisors (see below), whose sum is σ = 929819660. Its totient is φ = 265662756.

The previous prime is 531325499. The next prime is 531325517. The reversal of 531325516 is 615523135.

It is not an unprimeable number, because it can be changed into a prime (531325517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66415686 + ... + 66415693.

Almost surely, 2^531325516 is an apocalyptic number.

It is an amenable number.

531325516 is a deficient number, since it is larger than the sum of its proper divisors (398494144).

531325516 is a wasteful number, since it uses less digits than its factorization.

531325516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132831383 (or 132831381 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 531325516 is about 23050.4992570660. The cubic root of 531325516 is about 809.9413237992.

The spelling of 531325516 in words is "five hundred thirty-one million, three hundred twenty-five thousand, five hundred sixteen".