25390907 has 2 divisors, whose sum is σ = 25390908. Its totient is φ = 25390906.

The previous prime is 25390903. The next prime is 25390913. The reversal of 25390907 is 70909352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25390907 - 2² = 25390903 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25390901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12695453 + 12695454.

It is an arithmetic number, because the mean of its divisors is an integer number (12695454).

Almost surely, 2^25390907 is an apocalyptic number.

25390907 is a deficient number, since it is larger than the sum of its proper divisors (1).

25390907 is an equidigital number, since it uses as much as digits as its factorization.

25390907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 25390907 is about 5038.9390748450. The cubic root of 25390907 is about 293.9179240864.

The spelling of 25390907 in words is "twenty-five million, three hundred ninety thousand, nine hundred seven".