625552064625 has 64 divisors (see below), whose sum is σ = 1099276738560. Its totient is φ = 315037771200.

The previous prime is 625552064617. The next prime is 625552064633. The reversal of 625552064625 is 526460255526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (625552064617) and next prime (625552064633).

It is not a de Polignac number, because 625552064625 - 2³ = 625552064617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2044384 + ... + 2330366.

It is an arithmetic number, because the mean of its divisors is an integer number (17176199040).

Almost surely, 2^625552064625 is an apocalyptic number.

It is an amenable number.

625552064625 is a deficient number, since it is larger than the sum of its proper divisors (473724673935).

625552064625 is a wasteful number, since it uses less digits than its factorization.

625552064625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286327 (or 286317 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 625552064625 in words is "six hundred twenty-five billion, five hundred fifty-two million, sixty-four thousand, six hundred twenty-five".