25990841 has 16 divisors (see below), whose sum is σ = 29424960. Its totient is φ = 22809600.

The previous prime is 25990837. The next prime is 25990849. The reversal of 25990841 is 14809952.

It is a cyclic number.

It is not a de Polignac number, because 25990841 - 2² = 25990837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25990795 and 25990804.

It is not an unprimeable number, because it can be changed into a prime (25990849) 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 in 15 ways as a sum of consecutive naturals, for example, 21041 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (1839060).

Almost surely, 2^25990841 is an apocalyptic number.

It is an amenable number.

25990841 is a deficient number, since it is larger than the sum of its proper divisors (3434119).

25990841 is a wasteful number, since it uses less digits than its factorization.

25990841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 25990841 is about 5098.1213206435. The cubic root of 25990841 is about 296.2148162148.

The spelling of 25990841 in words is "twenty-five million, nine hundred ninety thousand, eight hundred forty-one".