51751825 has 24 divisors (see below), whose sum is σ = 68352768. Its totient is φ = 38734080.

The previous prime is 51751813. The next prime is 51751831. The reversal of 51751825 is 52815715.

51751825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51751825 - 2⁵ = 51751793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111544 + ... + 112006.

It is an arithmetic number, because the mean of its divisors is an integer number (2848032).

Almost surely, 2^51751825 is an apocalyptic number.

It is an amenable number.

51751825 is a deficient number, since it is larger than the sum of its proper divisors (16600943).

51751825 is a wasteful number, since it uses less digits than its factorization.

51751825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its digits is 14000, while the sum is 34.

The square root of 51751825 is about 7193.8741301193. The cubic root of 51751825 is about 372.6563762458.

The spelling of 51751825 in words is "fifty-one million, seven hundred fifty-one thousand, eight hundred twenty-five".