531029232 has 30 divisors (see below), whose sum is σ = 1486144712. Its totient is φ = 177009696.

The previous prime is 531029201. The next prime is 531029243. The reversal of 531029232 is 232920135.

It is a junction number, because it is equal to n+sod(n) for n = 531029196 and 531029205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1843708 + ... + 1843995.

Almost surely, 2^531029232 is an apocalyptic number.

It is an amenable number.

531029232 is an abundant number, since it is smaller than the sum of its proper divisors (955115480).

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

531029232 is a wasteful number, since it uses less digits than its factorization.

531029232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687717 (or 3687708 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 531029232 is about 23044.0715152509. The cubic root of 531029232 is about 809.7907461293.

Adding to 531029232 its reverse (232920135), we get a palindrome (763949367).

The spelling of 531029232 in words is "five hundred thirty-one million, twenty-nine thousand, two hundred thirty-two".