531233725 has 12 divisors (see below), whose sum is σ = 718614720. Its totient is φ = 386351600.

The previous prime is 531233693. The next prime is 531233743. The reversal of 531233725 is 527332135.

It is not a de Polignac number, because 531233725 - 2⁵ = 531233693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965605 + ... + 966154.

It is an arithmetic number, because the mean of its divisors is an integer number (59884560).

Almost surely, 2^531233725 is an apocalyptic number.

531233725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531233725 is a deficient number, since it is larger than the sum of its proper divisors (187380995).

531233725 is a wasteful number, since it uses less digits than its factorization.

531233725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931780 (or 1931775 counting only the distinct ones).

The product of its digits is 18900, while the sum is 31.

The square root of 531233725 is about 23048.5080862081. The cubic root of 531233725 is about 809.8946796965.

It can be divided in two parts, 531 and 233725, that added together give a 4-th power (234256 = 22⁴).

The spelling of 531233725 in words is "five hundred thirty-one million, two hundred thirty-three thousand, seven hundred twenty-five".