51465325 has 12 divisors (see below), whose sum is σ = 63923860. Its totient is φ = 41103360.

The previous prime is 51465311. The next prime is 51465361. The reversal of 51465325 is 52356415.

It can be written as a sum of positive squares in 6 ways, for example, as 12752041 + 38713284 = 3571^2 + 6222^2 .

It is not a de Polignac number, because 51465325 - 2⁹ = 51464813 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, 17887 + ... + 20563.

Almost surely, 2^51465325 is an apocalyptic number.

It is an amenable number.

51465325 is a deficient number, since it is larger than the sum of its proper divisors (12458535).

51465325 is a wasteful number, since it uses less digits than its factorization.

51465325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3451 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 51465325 is about 7173.9337186790. The cubic root of 51465325 is about 371.9674235357.

The spelling of 51465325 in words is "fifty-one million, four hundred sixty-five thousand, three hundred twenty-five".