625505320 has 32 divisors (see below), whose sum is σ = 1535332320. Its totient is φ = 227456320.

The previous prime is 625505317. The next prime is 625505333. The reversal of 625505320 is 23505526.

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 7 ways as a sum of consecutive naturals, for example, 710362 + ... + 711241.

It is an arithmetic number, because the mean of its divisors is an integer number (47979135).

Almost surely, 2^625505320 is an apocalyptic number.

It is an amenable number.

625505320 is an abundant number, since it is smaller than the sum of its proper divisors (909827000).

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

625505320 is a wasteful number, since it uses less digits than its factorization.

625505320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421625 (or 1421621 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 625505320 is about 25010.1043580390. The cubic root of 625505320 is about 855.2183339452.

The spelling of 625505320 in words is "six hundred twenty-five million, five hundred five thousand, three hundred twenty".