625063125624 has 64 divisors (see below), whose sum is σ = 1787665094400. Its totient is φ = 178412419584.

The previous prime is 625063125619. The next prime is 625063125629. The reversal of 625063125624 is 426521360526.

It is an interprime number because it is at equal distance from previous prime (625063125619) and next prime (625063125629).

It is a super-2 number, since 2×625063125624² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625063125629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674202 + ... + 2013225.

It is an arithmetic number, because the mean of its divisors is an integer number (27932267100).

Almost surely, 2^625063125624 is an apocalyptic number.

It is an amenable number.

625063125624 is an abundant number, since it is smaller than the sum of its proper divisors (1162601968776).

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

625063125624 is a wasteful number, since it uses less digits than its factorization.

625063125624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688452 (or 3688448 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 625063125624 in words is "six hundred twenty-five billion, sixty-three million, one hundred twenty-five thousand, six hundred twenty-four".