51168525 has 12 divisors (see below), whose sum is σ = 84598752. Its totient is φ = 27289840.

The previous prime is 51168497. The next prime is 51168527. The reversal of 51168525 is 52586115.

It is not a de Polignac number, because 51168525 - 2⁶ = 51168461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51168527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341049 + ... + 341198.

It is an arithmetic number, because the mean of its divisors is an integer number (7049896).

Almost surely, 2^51168525 is an apocalyptic number.

It is an amenable number.

51168525 is a deficient number, since it is larger than the sum of its proper divisors (33430227).

51168525 is a wasteful number, since it uses less digits than its factorization.

51168525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682260 (or 682255 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 51168525 is about 7153.2178073927. The cubic root of 51168525 is about 371.2510004621.

The spelling of 51168525 in words is "fifty-one million, one hundred sixty-eight thousand, five hundred twenty-five".