25961113 has 2 divisors, whose sum is σ = 25961114. Its totient is φ = 25961112.

The previous prime is 25961107. The next prime is 25961123. The reversal of 25961113 is 31116952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13344409 + 12616704 = 3653^2 + 3552^2 .

It is a cyclic number.

It is not a de Polignac number, because 25961113 - 2⁹ = 25960601 is a prime.

It is not a weakly prime, because it can be changed into another prime (25961123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12980556 + 12980557.

It is an arithmetic number, because the mean of its divisors is an integer number (12980557).

Almost surely, 2^25961113 is an apocalyptic number.

It is an amenable number.

25961113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25961113 is an equidigital number, since it uses as much as digits as its factorization.

25961113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 25961113 is about 5095.2049026511. The cubic root of 25961113 is about 296.1018375244.

The spelling of 25961113 in words is "twenty-five million, nine hundred sixty-one thousand, one hundred thirteen".