25422379 has 2 divisors, whose sum is σ = 25422380. Its totient is φ = 25422378.

The previous prime is 25422373. The next prime is 25422427. The reversal of 25422379 is 97322452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25422379 - 2¹¹ = 25420331 is a prime.

It is not a weakly prime, because it can be changed into another prime (25422373) 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, 12711189 + 12711190.

It is an arithmetic number, because the mean of its divisors is an integer number (12711190).

Almost surely, 2^25422379 is an apocalyptic number.

25422379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25422379 is an equidigital number, since it uses as much as digits as its factorization.

25422379 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 25422379 is about 5042.0609873344. The cubic root of 25422379 is about 294.0393109235.

The spelling of 25422379 in words is "twenty-five million, four hundred twenty-two thousand, three hundred seventy-nine".