51202625 has 16 divisors (see below), whose sum is σ = 67267200. Its totient is φ = 38804400.

The previous prime is 51202621. The next prime is 51202631. The reversal of 51202625 is 52620215.

It is not a de Polignac number, because 51202625 - 2² = 51202621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51202625.

It is not an unprimeable number, because it can be changed into a prime (51202621) 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, 8405 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (4204200).

Almost surely, 2^51202625 is an apocalyptic number.

It is an amenable number.

51202625 is a deficient number, since it is larger than the sum of its proper divisors (16064575).

51202625 is a wasteful number, since it uses less digits than its factorization.

51202625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593 (or 21583 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51202625 is about 7155.6009530996. The cubic root of 51202625 is about 371.3334525028. Note that the first 3 decimals are identical.

The spelling of 51202625 in words is "fifty-one million, two hundred two thousand, six hundred twenty-five".