51725065 has 16 divisors (see below), whose sum is σ = 71084160. Its totient is φ = 35395200.

The previous prime is 51725059. The next prime is 51725111. The reversal of 51725065 is 56052715.

It is not a de Polignac number, because 51725065 - 2³ = 51725057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19806 + ... + 22264.

It is an arithmetic number, because the mean of its divisors is an integer number (4442760).

Almost surely, 2^51725065 is an apocalyptic number.

It is an amenable number.

51725065 is a deficient number, since it is larger than the sum of its proper divisors (19359095).

51725065 is a wasteful number, since it uses less digits than its factorization.

51725065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 51725065 is about 7192.0139738463. The cubic root of 51725065 is about 372.5921337193.

The spelling of 51725065 in words is "fifty-one million, seven hundred twenty-five thousand, sixty-five".