625115904 has 72 divisors (see below), whose sum is σ = 1901410560. Its totient is φ = 178603008.

The previous prime is 625115833. The next prime is 625115927. The reversal of 625115904 is 409511526.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52764 + ... + 63515.

It is an arithmetic number, because the mean of its divisors is an integer number (26408480).

Almost surely, 2^625115904 is an apocalyptic number.

625115904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

625115904 is an abundant number, since it is smaller than the sum of its proper divisors (1276294656).

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

625115904 is a wasteful number, since it uses less digits than its factorization.

625115904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116305 (or 116291 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 625115904 is about 25002.3179725401. The cubic root of 625115904 is about 855.0408215522.

It can be divided in two parts, 6251 and 15904, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 625115904 in words is "six hundred twenty-five million, one hundred fifteen thousand, nine hundred four".