25663159 has 2 divisors, whose sum is σ = 25663160. Its totient is φ = 25663158.

The previous prime is 25663151. The next prime is 25663199. The reversal of 25663159 is 95136652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25663159 - 2³ = 25663151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25663151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12831579 + 12831580.

It is an arithmetic number, because the mean of its divisors is an integer number (12831580).

Almost surely, 2^25663159 is an apocalyptic number.

25663159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25663159 is an equidigital number, since it uses as much as digits as its factorization.

25663159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 25663159 is about 5065.8818580776. The cubic root of 25663159 is about 294.9646955740.

The spelling of 25663159 in words is "twenty-five million, six hundred sixty-three thousand, one hundred fifty-nine".