51673925 has 6 divisors (see below), whose sum is σ = 64075698. Its totient is φ = 41339120.

The previous prime is 51673913. The next prime is 51673927. The reversal of 51673925 is 52937615.

It is a happy number.

51673925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 494209 + 51179716 = 703^2 + 7154^2 .

It is not a de Polignac number, because 51673925 - 2¹⁸ = 51411781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673927) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1033454 + ... + 1033503.

It is an arithmetic number, because the mean of its divisors is an integer number (10679283).

Almost surely, 2^51673925 is an apocalyptic number.

It is an amenable number.

51673925 is a deficient number, since it is larger than the sum of its proper divisors (12401773).

51673925 is a wasteful number, since it uses less digits than its factorization.

51673925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066967 (or 2066962 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 51673925 is about 7188.4577622742. The cubic root of 51673925 is about 372.4693006545.

The spelling of 51673925 in words is "fifty-one million, six hundred seventy-three thousand, nine hundred twenty-five".