25392427 has 2 divisors, whose sum is σ = 25392428. Its totient is φ = 25392426.

The previous prime is 25392413. The next prime is 25392449. The reversal of 25392427 is 72429352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25392427 - 2¹⁹ = 24868139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25392392 and 25392401.

It is not a weakly prime, because it can be changed into another prime (25392457) 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, 12696213 + 12696214.

It is an arithmetic number, because the mean of its divisors is an integer number (12696214).

Almost surely, 2^25392427 is an apocalyptic number.

25392427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25392427 is an equidigital number, since it uses as much as digits as its factorization.

25392427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 25392427 is about 5039.0898979875. The cubic root of 25392427 is about 293.9237889987.

The spelling of 25392427 in words is "twenty-five million, three hundred ninety-two thousand, four hundred twenty-seven".