531456492 has 96 divisors (see below), whose sum is σ = 1490227200. Its totient is φ = 144124992.

The previous prime is 531456449. The next prime is 531456503. The reversal of 531456492 is 294654135.

It is a self number, because there is not a number n which added to its sum of digits gives 531456492.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267559 + ... + 269537.

It is an arithmetic number, because the mean of its divisors is an integer number (15523200).

Almost surely, 2^531456492 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 531456492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745113600).

531456492 is an abundant number, since it is smaller than the sum of its proper divisors (958770708).

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

531456492 is a wasteful number, since it uses less digits than its factorization.

531456492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2153 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 531456492 is about 23053.3401484470. The cubic root of 531456492 is about 810.0078706749.

The spelling of 531456492 in words is "five hundred thirty-one million, four hundred fifty-six thousand, four hundred ninety-two".