25492451 has 2 divisors, whose sum is σ = 25492452. Its totient is φ = 25492450.

The previous prime is 25492427. The next prime is 25492459. The reversal of 25492451 is 15429452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25492451 - 2¹⁴ = 25476067 is a prime.

It is a Sophie Germain prime.

It is equal to p_1594742 and since 25492451 and 1594742 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25492459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746225 + 12746226.

It is an arithmetic number, because the mean of its divisors is an integer number (12746226).

Almost surely, 2^25492451 is an apocalyptic number.

25492451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25492451 is an equidigital number, since it uses as much as digits as its factorization.

25492451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 25492451 is about 5049.0049514731. The cubic root of 25492451 is about 294.3092177544.

The spelling of 25492451 in words is "twenty-five million, four hundred ninety-two thousand, four hundred fifty-one".