25604179 has 2 divisors, whose sum is σ = 25604180. Its totient is φ = 25604178.

The previous prime is 25604167. The next prime is 25604197. The reversal of 25604179 is 97140652.

Together with next prime (25604197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25604179 - 2⁵ = 25604147 is a prime.

It is not a weakly prime, because it can be changed into another prime (25604279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12802089 + 12802090.

It is an arithmetic number, because the mean of its divisors is an integer number (12802090).

Almost surely, 2^25604179 is an apocalyptic number.

25604179 is a deficient number, since it is larger than the sum of its proper divisors (1).

25604179 is an equidigital number, since it uses as much as digits as its factorization.

25604179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 25604179 is about 5060.0572131153. The cubic root of 25604179 is about 294.7385560683.

The spelling of 25604179 in words is "twenty-five million, six hundred four thousand, one hundred seventy-nine".