51425065 has 8 divisors (see below), whose sum is σ = 61807680. Its totient is φ = 41074992.

The previous prime is 51425041. The next prime is 51425071. The reversal of 51425065 is 56052415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51425065 - 2⁷ = 51424937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (7725960).

Almost surely, 2^51425065 is an apocalyptic number.

It is an amenable number.

51425065 is a deficient number, since it is larger than the sum of its proper divisors (10382615).

51425065 is a wasteful number, since it uses less digits than its factorization.

51425065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 51425065 is about 7171.1271777873. The cubic root of 51425065 is about 371.8704047169.

The spelling of 51425065 in words is "fifty-one million, four hundred twenty-five thousand, sixty-five".