25941667 has 2 divisors, whose sum is σ = 25941668. Its totient is φ = 25941666.

The previous prime is 25941659. The next prime is 25941691. The reversal of 25941667 is 76614952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25941667 - 2³ = 25941659 is a prime.

It is not a weakly prime, because it can be changed into another prime (25941607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970833 + 12970834.

It is an arithmetic number, because the mean of its divisors is an integer number (12970834).

Almost surely, 2^25941667 is an apocalyptic number.

25941667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25941667 is an equidigital number, since it uses as much as digits as its factorization.

25941667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 25941667 is about 5093.2962804062. The cubic root of 25941667 is about 296.0278880164.

The spelling of 25941667 in words is "twenty-five million, nine hundred forty-one thousand, six hundred sixty-seven".