625522880 has 28 divisors (see below), whose sum is σ = 1489527120. Its totient is φ = 250209024.

The previous prime is 625522861. The next prime is 625522967. The reversal of 625522880 is 88225526.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977060 + ... + 977699.

Almost surely, 2^625522880 is an apocalyptic number.

It is an amenable number.

625522880 is an abundant number, since it is smaller than the sum of its proper divisors (864004240).

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

625522880 is a wasteful number, since it uses less digits than its factorization.

625522880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954776 (or 1954766 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 625522880 is about 25010.4554136865. The cubic root of 625522880 is about 855.2263368046.

The spelling of 625522880 in words is "six hundred twenty-five million, five hundred twenty-two thousand, eight hundred eighty".