25945667 has 12 divisors (see below), whose sum is σ = 29443008. Its totient is φ = 22822800.

The previous prime is 25945651. The next prime is 25945687. The reversal of 25945667 is 76654952.

It is not a de Polignac number, because 25945667 - 2⁴ = 25945651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25945607) 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 11 ways as a sum of consecutive naturals, for example, 293 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (2453584).

Almost surely, 2^25945667 is an apocalyptic number.

25945667 is a deficient number, since it is larger than the sum of its proper divisors (3497341).

25945667 is a wasteful number, since it uses less digits than its factorization.

25945667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6959 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 25945667 is about 5093.6889382843. The cubic root of 25945667 is about 296.0431022880.

The spelling of 25945667 in words is "twenty-five million, nine hundred forty-five thousand, six hundred sixty-seven".