25868113 has 2 divisors, whose sum is σ = 25868114. Its totient is φ = 25868112.

The previous prime is 25868083. The next prime is 25868119. The reversal of 25868113 is 31186852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 3655744 = 4713^2 + 1912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25868113 is a prime.

It is not a weakly prime, because it can be changed into another prime (25868119) 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, 12934056 + 12934057.

It is an arithmetic number, because the mean of its divisors is an integer number (12934057).

Almost surely, 2^25868113 is an apocalyptic number.

It is an amenable number.

25868113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25868113 is an equidigital number, since it uses as much as digits as its factorization.

25868113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 25868113 is about 5086.0704871246. The cubic root of 25868113 is about 295.7478411606.

The spelling of 25868113 in words is "twenty-five million, eight hundred sixty-eight thousand, one hundred thirteen".