25165379 has 2 divisors, whose sum is σ = 25165380. Its totient is φ = 25165378.

The previous prime is 25165369. The next prime is 25165391. The reversal of 25165379 is 97356152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25165379 - 2²⁰ = 24116803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25165319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582689 + 12582690.

It is an arithmetic number, because the mean of its divisors is an integer number (12582690).

Almost surely, 2^25165379 is an apocalyptic number.

25165379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25165379 is an equidigital number, since it uses as much as digits as its factorization.

25165379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 25165379 is about 5016.5106398771. The cubic root of 25165379 is about 293.0451187959.

The spelling of 25165379 in words is "twenty-five million, one hundred sixty-five thousand, three hundred seventy-nine".