531153690 has 32 divisors (see below), whose sum is σ = 1315892736. Its totient is φ = 137071680.

The previous prime is 531153677. The next prime is 531153709. The reversal of 531153690 is 96351135.

It is a super-2 number, since 2×531153690² = 564248484801232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284637 + ... + 286496.

It is an arithmetic number, because the mean of its divisors is an integer number (41121648).

Almost surely, 2^531153690 is an apocalyptic number.

531153690 is an abundant number, since it is smaller than the sum of its proper divisors (784739046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531153690 is a wasteful number, since it uses less digits than its factorization.

531153690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571174.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 531153690 is about 23046.7717912943. The cubic root of 531153690 is about 809.8540050850.

The spelling of 531153690 in words is "five hundred thirty-one million, one hundred fifty-three thousand, six hundred ninety".