531532315 has 16 divisors (see below), whose sum is σ = 672549120. Its totient is φ = 402161760.

The previous prime is 531532279. The next prime is 531532321. The reversal of 531532315 is 513235135.

It is not a de Polignac number, because 531532315 - 2⁷ = 531532187 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 55512 + ... + 64378.

It is an arithmetic number, because the mean of its divisors is an integer number (42034320).

Almost surely, 2^531532315 is an apocalyptic number.

531532315 is a deficient number, since it is larger than the sum of its proper divisors (141016805).

531532315 is a wasteful number, since it uses less digits than its factorization.

531532315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522.

The product of its digits is 6750, while the sum is 28.

The square root of 531532315 is about 23054.9846020335. The cubic root of 531532315 is about 810.0463901694.

The spelling of 531532315 in words is "five hundred thirty-one million, five hundred thirty-two thousand, three hundred fifteen".