25963841 has 2 divisors, whose sum is σ = 25963842. Its totient is φ = 25963840.

The previous prime is 25963831. The next prime is 25963859. The reversal of 25963841 is 14836952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 9480241 = 4060^2 + 3079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25963841 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25963795 and 25963804.

It is not a weakly prime, because it can be changed into another prime (25963831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12981920 + 12981921.

It is an arithmetic number, because the mean of its divisors is an integer number (12981921).

Almost surely, 2^25963841 is an apocalyptic number.

It is an amenable number.

25963841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25963841 is an equidigital number, since it uses as much as digits as its factorization.

25963841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 25963841 is about 5095.4725982974. The cubic root of 25963841 is about 296.1122086452.

The spelling of 25963841 in words is "twenty-five million, nine hundred sixty-three thousand, eight hundred forty-one".