531075825 has 48 divisors (see below), whose sum is σ = 1114988160. Its totient is φ = 242775360.

The previous prime is 531075793. The next prime is 531075871. The reversal of 531075825 is 528570135.

It is not a de Polignac number, because 531075825 - 2⁵ = 531075793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531075825.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51474 + ... + 60923.

It is an arithmetic number, because the mean of its divisors is an integer number (23228920).

Almost surely, 2^531075825 is an apocalyptic number.

It is an amenable number.

531075825 is an abundant number, since it is smaller than the sum of its proper divisors (583912335).

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

531075825 is a wasteful number, since it uses less digits than its factorization.

531075825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112423 (or 112412 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 531075825 is about 23045.0824472381. The cubic root of 531075825 is about 809.8144293684.

The spelling of 531075825 in words is "five hundred thirty-one million, seventy-five thousand, eight hundred twenty-five".