51337125 has 128 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 22464000.

The previous prime is 51337103. The next prime is 51337129. The reversal of 51337125 is 52173315.

It is not a de Polignac number, because 51337125 - 2⁷ = 51336997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51337129) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 968599 + ... + 968651.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^51337125 is an apocalyptic number.

It is an amenable number.

51337125 is an abundant number, since it is smaller than the sum of its proper divisors (61881435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51337125 is a wasteful number, since it uses less digits than its factorization.

51337125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 109 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 51337125 is about 7164.9930216295. The cubic root of 51337125 is about 371.6583100760.

The spelling of 51337125 in words is "fifty-one million, three hundred thirty-seven thousand, one hundred twenty-five".