25998041 has 2 divisors, whose sum is σ = 25998042. Its totient is φ = 25998040.

The previous prime is 25997989. The next prime is 25998053. The reversal of 25998041 is 14089952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 5784025 = 4496^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 25998041 - 2¹⁰ = 25997017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25997986 and 25998004.

It is not a weakly prime, because it can be changed into another prime (25998241) 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, 12999020 + 12999021.

It is an arithmetic number, because the mean of its divisors is an integer number (12999021).

Almost surely, 2^25998041 is an apocalyptic number.

It is an amenable number.

25998041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25998041 is an equidigital number, since it uses as much as digits as its factorization.

25998041 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25998041 is about 5098.8274142199. The cubic root of 25998041 is about 296.2421662310.

The spelling of 25998041 in words is "twenty-five million, nine hundred ninety-eight thousand, forty-one".