625244625 has 48 divisors (see below), whose sum is σ = 1130163840. Its totient is φ = 332560800.

The previous prime is 625244621. The next prime is 625244671. The reversal of 625244625 is 526442526.

625244625 is a `hidden beast` number, since 6 + 2 + 5 + 24 + 4 + 625 = 666.

It is not a de Polignac number, because 625244625 - 2² = 625244621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625244625.

It is not an unprimeable number, because it can be changed into a prime (625244621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727446 + ... + 728304.

It is an arithmetic number, because the mean of its divisors is an integer number (23545080).

Almost surely, 2^625244625 is an apocalyptic number.

It is an amenable number.

625244625 is a deficient number, since it is larger than the sum of its proper divisors (504919215).

625244625 is a wasteful number, since it uses less digits than its factorization.

625244625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1514 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 625244625 is about 25004.8920213625. The cubic root of 625244625 is about 855.0995062192.

The spelling of 625244625 in words is "six hundred twenty-five million, two hundred forty-four thousand, six hundred twenty-five".