25600667 has 2 divisors, whose sum is σ = 25600668. Its totient is φ = 25600666.

The previous prime is 25600651. The next prime is 25600669. The reversal of 25600667 is 76600652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25600667 - 2⁴ = 25600651 is a prime.

Together with 25600669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25600669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12800333 + 12800334.

It is an arithmetic number, because the mean of its divisors is an integer number (12800334).

Almost surely, 2^25600667 is an apocalyptic number.

25600667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25600667 is an equidigital number, since it uses as much as digits as its factorization.

25600667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25600667 is about 5059.7101695651. The cubic root of 25600667 is about 294.7250795034.

The spelling of 25600667 in words is "twenty-five million, six hundred thousand, six hundred sixty-seven".