625124424 has 64 divisors (see below), whose sum is σ = 1625264640. Its totient is φ = 200148480.

The previous prime is 625124389. The next prime is 625124441. The reversal of 625124424 is 424421526.

It is a junction number, because it is equal to n+sod(n) for n = 625124391 and 625124400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98862 + ... + 104994.

It is an arithmetic number, because the mean of its divisors is an integer number (25394760).

Almost surely, 2^625124424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812632320).

625124424 is an abundant number, since it is smaller than the sum of its proper divisors (1000140216).

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

625124424 is a wasteful number, since it uses less digits than its factorization.

625124424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6306 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 625124424 is about 25002.4883561617. The cubic root of 625124424 is about 855.0447061197.

The spelling of 625124424 in words is "six hundred twenty-five million, one hundred twenty-four thousand, four hundred twenty-four".