51282925 has 12 divisors (see below), whose sum is σ = 65310676. Its totient is φ = 39916800.

The previous prime is 51282901. The next prime is 51282943. The reversal of 51282925 is 52928215.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 174724 + 51108201 = 418^2 + 7149^2 .

It is not a de Polignac number, because 51282925 - 2⁷ = 51282797 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 26796 + ... + 28645.

Almost surely, 2^51282925 is an apocalyptic number.

It is an amenable number.

51282925 is a deficient number, since it is larger than the sum of its proper divisors (14027751).

51282925 is a wasteful number, since it uses less digits than its factorization.

51282925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55488 (or 55483 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 51282925 is about 7161.2097441703. The cubic root of 51282925 is about 371.5274692621.

The spelling of 51282925 in words is "fifty-one million, two hundred eighty-two thousand, nine hundred twenty-five".