51573925 has 24 divisors (see below), whose sum is σ = 71106560. Its totient is φ = 36849600.

The previous prime is 51573913. The next prime is 51573931. The reversal of 51573925 is 52937515.

It is a happy number.

51573925 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 51573925 - 2²⁵ = 18019493 is a prime.

It is a congruent 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, 7516 + ... + 12634.

Almost surely, 2^51573925 is an apocalyptic number.

It is an amenable number.

51573925 is a deficient number, since it is larger than the sum of its proper divisors (19532635).

51573925 is a wasteful number, since it uses less digits than its factorization.

51573925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5168 counting only the distinct ones).

The product of its digits is 47250, while the sum is 37.

The square root of 51573925 is about 7181.4987989973. The cubic root of 51573925 is about 372.2288764765.

The spelling of 51573925 in words is "fifty-one million, five hundred seventy-three thousand, nine hundred twenty-five".