25980841 has 2 divisors, whose sum is σ = 25980842. Its totient is φ = 25980840.

The previous prime is 25980833. The next prime is 25980853. The reversal of 25980841 is 14808952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17977600 + 8003241 = 4240^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 25980841 - 2³ = 25980833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25980841.

It is not a weakly prime, because it can be changed into another prime (25980881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990420 + 12990421.

It is an arithmetic number, because the mean of its divisors is an integer number (12990421).

Almost surely, 2^25980841 is an apocalyptic number.

It is an amenable number.

25980841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25980841 is an equidigital number, since it uses as much as digits as its factorization.

25980841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 25980841 is about 5097.1404728534. The cubic root of 25980841 is about 296.1768217005.

The spelling of 25980841 in words is "twenty-five million, nine hundred eighty thousand, eight hundred forty-one".