25316579 has 2 divisors, whose sum is σ = 25316580. Its totient is φ = 25316578.

The previous prime is 25316573. The next prime is 25316617. The reversal of 25316579 is 97561352.

It is a happy number.

It is an a-pointer prime, because the next prime (25316617) can be obtained adding 25316579 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25316579 - 2⁸ = 25316323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25316573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12658289 + 12658290.

It is an arithmetic number, because the mean of its divisors is an integer number (12658290).

Almost surely, 2^25316579 is an apocalyptic number.

25316579 is a deficient number, since it is larger than the sum of its proper divisors (1).

25316579 is an equidigital number, since it uses as much as digits as its factorization.

25316579 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25316579 is about 5031.5583073239. The cubic root of 25316579 is about 293.6308438407.

The spelling of 25316579 in words is "twenty-five million, three hundred sixteen thousand, five hundred seventy-nine".