51044025 has 12 divisors (see below), whose sum is σ = 84392912. Its totient is φ = 27223440.

The previous prime is 51044023. The next prime is 51044039. The reversal of 51044025 is 52044015.

It is not a de Polignac number, because 51044025 - 2¹ = 51044023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51043992 and 51044010.

It is not an unprimeable number, because it can be changed into a prime (51044023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340219 + ... + 340368.

Almost surely, 2^51044025 is an apocalyptic number.

It is an amenable number.

51044025 is a deficient number, since it is larger than the sum of its proper divisors (33348887).

51044025 is a wasteful number, since it uses less digits than its factorization.

51044025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680600 (or 680595 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 51044025 is about 7144.5101301629. The cubic root of 51044025 is about 370.9496544853.

The spelling of 51044025 in words is "fifty-one million, forty-four thousand, twenty-five".