51725375 has 32 divisors (see below), whose sum is σ = 70324800. Its totient is φ = 37756800.

The previous prime is 51725369. The next prime is 51725381. The reversal of 51725375 is 57352715.

51725375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51725369) and next prime (51725381).

It is a de Polignac number, because none of the positive numbers 2^k-51725375 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 225761 + ... + 225989.

It is an arithmetic number, because the mean of its divisors is an integer number (2197650).

Almost surely, 2^51725375 is an apocalyptic number.

51725375 is a deficient number, since it is larger than the sum of its proper divisors (18599425).

51725375 is a wasteful number, since it uses less digits than its factorization.

51725375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 386 counting only the distinct ones).

The product of its digits is 36750, while the sum is 35.

The square root of 51725375 is about 7192.0355254962. The cubic root of 51725375 is about 372.5928780608.

The spelling of 51725375 in words is "fifty-one million, seven hundred twenty-five thousand, three hundred seventy-five".