531767232 has 84 divisors (see below), whose sum is σ = 1553062680. Its totient is φ = 173901312.

The previous prime is 531767189. The next prime is 531767237. The reversal of 531767232 is 232767135.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531767237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21819 + ... + 39237.

Almost surely, 2^531767232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531767232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776531340).

531767232 is an abundant number, since it is smaller than the sum of its proper divisors (1021295448).

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

531767232 is a wasteful number, since it uses less digits than its factorization.

531767232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17490 (or 17477 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 531767232 is about 23060.0787509497. The cubic root of 531767232 is about 810.1657091240.

The spelling of 531767232 in words is "five hundred thirty-one million, seven hundred sixty-seven thousand, two hundred thirty-two".