531265480 has 16 divisors (see below), whose sum is σ = 1195347420. Its totient is φ = 212506176.

The previous prime is 531265459. The next prime is 531265489. The reversal of 531265480 is 84562135.

It can be written as a sum of positive squares in 2 ways, for example, as 493639524 + 37625956 = 22218^2 + 6134^2 .

It is not an unprimeable number, because it can be changed into a prime (531265489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6640779 + ... + 6640858.

Almost surely, 2^531265480 is an apocalyptic number.

It is an amenable number.

531265480 is an abundant number, since it is smaller than the sum of its proper divisors (664081940).

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

531265480 is a wasteful number, since it uses less digits than its factorization.

531265480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281648 (or 13281644 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 531265480 is about 23049.1969491347. The cubic root of 531265480 is about 809.9108167827.

The spelling of 531265480 in words is "five hundred thirty-one million, two hundred sixty-five thousand, four hundred eighty".