51124725 has 36 divisors (see below), whose sum is σ = 96397600. Its totient is φ = 25829280.

The previous prime is 51124681. The next prime is 51124751. The reversal of 51124725 is 52742115.

51124725 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 51124725 - 2²³ = 42736117 is a prime.

It is a super-2 number, since 2×51124725² = 5227475012651250, which contains 22 as substring.

It is a Curzon number.

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 35 ways as a sum of consecutive naturals, for example, 1705 + ... + 10254.

Almost surely, 2^51124725 is an apocalyptic number.

It is an amenable number.

51124725 is a deficient number, since it is larger than the sum of its proper divisors (45272875).

51124725 is a wasteful number, since it uses less digits than its factorization.

51124725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994 (or 11986 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 51124725 is about 7150.1555927127. The cubic root of 51124725 is about 371.1450405597.

The spelling of 51124725 in words is "fifty-one million, one hundred twenty-four thousand, seven hundred twenty-five".