25490041 has 2 divisors, whose sum is σ = 25490042. Its totient is φ = 25490040.

The previous prime is 25490033. The next prime is 25490051. The reversal of 25490041 is 14009452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 10890000 = 3821^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 25490041 - 2³ = 25490033 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 25489988 and 25490015.

It is not a weakly prime, because it can be changed into another prime (25490051) 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 as a sum of consecutive naturals, namely, 12745020 + 12745021.

It is an arithmetic number, because the mean of its divisors is an integer number (12745021).

Almost surely, 2^25490041 is an apocalyptic number.

It is an amenable number.

25490041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25490041 is an equidigital number, since it uses as much as digits as its factorization.

25490041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25490041 is about 5048.7662849453. The cubic root of 25490041 is about 294.2999430144.

Adding to 25490041 its reverse (14009452), we get a palindrome (39499493).

The spelling of 25490041 in words is "twenty-five million, four hundred ninety thousand, forty-one".