25672379 has 2 divisors, whose sum is σ = 25672380. Its totient is φ = 25672378.

The previous prime is 25672349. The next prime is 25672417. The reversal of 25672379 is 97327652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25672379 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 (25672349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12836189 + 12836190.

It is an arithmetic number, because the mean of its divisors is an integer number (12836190).

Almost surely, 2^25672379 is an apocalyptic number.

25672379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25672379 is an equidigital number, since it uses as much as digits as its factorization.

25672379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 25672379 is about 5066.7917857358. The cubic root of 25672379 is about 295.0000153213. Note that the first 4 decimals are identical.

The spelling of 25672379 in words is "twenty-five million, six hundred seventy-two thousand, three hundred seventy-nine".