25916841 has 20 divisors (see below), whose sum is σ = 39452292. Its totient is φ = 16949088.

The previous prime is 25916827. The next prime is 25916843. The reversal of 25916841 is 14861952.

25916841 is a `hidden beast` number, since 2 + 591 + 68 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 14220441 = 3420^2 + 3771^2 .

It is not a de Polignac number, because 25916841 - 2⁹ = 25916329 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25916796 and 25916805.

It is not an unprimeable number, because it can be changed into a prime (25916843) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1275 + ... + 7311.

Almost surely, 2^25916841 is an apocalyptic number.

It is an amenable number.

25916841 is a deficient number, since it is larger than the sum of its proper divisors (13535451).

25916841 is an equidigital number, since it uses as much as digits as its factorization.

25916841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102 (or 6093 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 25916841 is about 5090.8585719896. The cubic root of 25916841 is about 295.9334256473.

The spelling of 25916841 in words is "twenty-five million, nine hundred sixteen thousand, eight hundred forty-one".