25496951 has 2 divisors, whose sum is σ = 25496952. Its totient is φ = 25496950.

The previous prime is 25496921. The next prime is 25496971. The reversal of 25496951 is 15969452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25496951 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25496899 and 25496908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25496921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748475 + 12748476.

It is an arithmetic number, because the mean of its divisors is an integer number (12748476).

Almost surely, 2^25496951 is an apocalyptic number.

25496951 is a deficient number, since it is larger than the sum of its proper divisors (1).

25496951 is an equidigital number, since it uses as much as digits as its factorization.

25496951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 25496951 is about 5049.4505641703. The cubic root of 25496951 is about 294.3265341691.

The spelling of 25496951 in words is "twenty-five million, four hundred ninety-six thousand, nine hundred fifty-one".