25394713 has 2 divisors, whose sum is σ = 25394714. Its totient is φ = 25394712.

The previous prime is 25394701. The next prime is 25394723. The reversal of 25394713 is 31749352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21603904 + 3790809 = 4648^2 + 1947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25394713 is a prime.

It is not a weakly prime, because it can be changed into another prime (25394723) 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, 12697356 + 12697357.

It is an arithmetic number, because the mean of its divisors is an integer number (12697357).

Almost surely, 2^25394713 is an apocalyptic number.

It is an amenable number.

25394713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25394713 is an equidigital number, since it uses as much as digits as its factorization.

25394713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 25394713 is about 5039.3167195563. The cubic root of 25394713 is about 293.9326090775.

The spelling of 25394713 in words is "twenty-five million, three hundred ninety-four thousand, seven hundred thirteen".