25914451 has 2 divisors, whose sum is σ = 25914452. Its totient is φ = 25914450.

The previous prime is 25914439. The next prime is 25914457. The reversal of 25914451 is 15441952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25914451 - 2²³ = 17525843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25914457) 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, 12957225 + 12957226.

It is an arithmetic number, because the mean of its divisors is an integer number (12957226).

Almost surely, 2^25914451 is an apocalyptic number.

25914451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25914451 is an equidigital number, since it uses as much as digits as its factorization.

25914451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 25914451 is about 5090.6238321055. The cubic root of 25914451 is about 295.9243285686.

The spelling of 25914451 in words is "twenty-five million, nine hundred fourteen thousand, four hundred fifty-one".