25542841 has 2 divisors, whose sum is σ = 25542842. Its totient is φ = 25542840.

The previous prime is 25542787. The next prime is 25542863. The reversal of 25542841 is 14824552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23863225 + 1679616 = 4885^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 25542841 - 2⁹ = 25542329 is a prime.

It is not a weakly prime, because it can be changed into another prime (25542871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12771420 + 12771421.

It is an arithmetic number, because the mean of its divisors is an integer number (12771421).

Almost surely, 2^25542841 is an apocalyptic number.

It is an amenable number.

25542841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25542841 is an equidigital number, since it uses as much as digits as its factorization.

25542841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 31.

The square root of 25542841 is about 5053.9925801291. The cubic root of 25542841 is about 294.5030068979.

The spelling of 25542841 in words is "twenty-five million, five hundred forty-two thousand, eight hundred forty-one".