51625325 has 12 divisors (see below), whose sum is σ = 64156980. Its totient is φ = 41208960.

The previous prime is 51625297. The next prime is 51625391. The reversal of 51625325 is 52352615.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 58564 + 51566761 = 242^2 + 7181^2 .

It is not a de Polignac number, because 51625325 - 2¹⁰ = 51624301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10697 + ... + 14753.

It is an arithmetic number, because the mean of its divisors is an integer number (5346415).

Almost surely, 2^51625325 is an apocalyptic number.

It is an amenable number.

51625325 is a deficient number, since it is larger than the sum of its proper divisors (12531655).

51625325 is a wasteful number, since it uses less digits than its factorization.

51625325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576 (or 4571 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 51625325 is about 7185.0765479569. The cubic root of 51625325 is about 372.3524932832.

The spelling of 51625325 in words is "fifty-one million, six hundred twenty-five thousand, three hundred twenty-five".