531291160 has 16 divisors (see below), whose sum is σ = 1195405200. Its totient is φ = 212516448.

The previous prime is 531291097. The next prime is 531291193. The reversal of 531291160 is 61192135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6641100 + ... + 6641179.

It is an arithmetic number, because the mean of its divisors is an integer number (74712825).

Almost surely, 2^531291160 is an apocalyptic number.

It is an amenable number.

531291160 is an abundant number, since it is smaller than the sum of its proper divisors (664114040).

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

531291160 is a wasteful number, since it uses less digits than its factorization.

531291160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282290 (or 13282286 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 531291160 is about 23049.7540117026. The cubic root of 531291160 is about 809.9238662375.

It can be divided in two parts, 53129 and 1160, that added together give a square (54289 = 233²).

The spelling of 531291160 in words is "five hundred thirty-one million, two hundred ninety-one thousand, one hundred sixty".