625340224 has 28 divisors (see below), whose sum is σ = 1283703300. Its totient is φ = 301887488.

The previous prime is 625340213. The next prime is 625340251. The reversal of 625340224 is 422043526.

It can be written as a sum of positive squares in 2 ways, for example, as 521300224 + 104040000 = 22832^2 + 10200^2 .

It is a junction number, because it is equal to n+sod(n) for n = 625340192 and 625340201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166609 + ... + 170320.

Almost surely, 2^625340224 is an apocalyptic number.

625340224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

625340224 is an abundant number, since it is smaller than the sum of its proper divisors (658363076).

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

625340224 is a wasteful number, since it uses less digits than its factorization.

625340224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336970 (or 336960 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 625340224 is about 25006.8035542330. The cubic root of 625340224 is about 855.1430851580.

The spelling of 625340224 in words is "six hundred twenty-five million, three hundred forty thousand, two hundred twenty-four".