25940951 has 2 divisors, whose sum is σ = 25940952. Its totient is φ = 25940950.

The previous prime is 25940939. The next prime is 25940969. The reversal of 25940951 is 15904952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25940951 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 (25942951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970475 + 12970476.

It is an arithmetic number, because the mean of its divisors is an integer number (12970476).

Almost surely, 2^25940951 is an apocalyptic number.

25940951 is a deficient number, since it is larger than the sum of its proper divisors (1).

25940951 is an equidigital number, since it uses as much as digits as its factorization.

25940951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 25940951 is about 5093.2259914518. The cubic root of 25940951 is about 296.0251644968.

The spelling of 25940951 in words is "twenty-five million, nine hundred forty thousand, nine hundred fifty-one".