25269679 has 2 divisors, whose sum is σ = 25269680. Its totient is φ = 25269678.

The previous prime is 25269661. The next prime is 25269689. The reversal of 25269679 is 97696252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25269679 - 2⁷ = 25269551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25269649) 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, 12634839 + 12634840.

It is an arithmetic number, because the mean of its divisors is an integer number (12634840).

Almost surely, 2^25269679 is an apocalyptic number.

25269679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269679 is an equidigital number, since it uses as much as digits as its factorization.

25269679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 25269679 is about 5026.8955628698. The cubic root of 25269679 is about 293.4494107003.

The spelling of 25269679 in words is "twenty-five million, two hundred sixty-nine thousand, six hundred seventy-nine".