25804051 has 16 divisors (see below), whose sum is σ = 31921344. Its totient is φ = 20312064.

The previous prime is 25804039. The next prime is 25804067. The reversal of 25804051 is 15040852.

It is a cyclic number.

It is not a de Polignac number, because 25804051 - 2⁵ = 25804019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25804001) 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 15 ways as a sum of consecutive naturals, for example, 20595 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (1995084).

Almost surely, 2^25804051 is an apocalyptic number.

25804051 is a deficient number, since it is larger than the sum of its proper divisors (6117293).

25804051 is a wasteful number, since it uses less digits than its factorization.

25804051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 25804051 is about 5079.7687939512. The cubic root of 25804051 is about 295.5035009601.

The spelling of 25804051 in words is "twenty-five million, eight hundred four thousand, fifty-one".