531689272 has 16 divisors (see below), whose sum is σ = 999934200. Its totient is φ = 265040160.

The previous prime is 531689233. The next prime is 531689273. The reversal of 531689272 is 272986135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531689273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97747 + ... + 103042.

Almost surely, 2^531689272 is an apocalyptic number.

It is an amenable number.

531689272 is a deficient number, since it is larger than the sum of its proper divisors (468244928).

531689272 is a wasteful number, since it uses less digits than its factorization.

531689272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201126 (or 201122 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 531689272 is about 23058.3883218234. The cubic root of 531689272 is about 810.1261156066.

The spelling of 531689272 in words is "five hundred thirty-one million, six hundred eighty-nine thousand, two hundred seventy-two".