25206448108241 has 2 divisors, whose sum is σ = 25206448108242. Its totient is φ = 25206448108240.

The previous prime is 25206448108213. The next prime is 25206448108379. The reversal of 25206448108241 is 14280184460252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24492205081600 + 714243026641 = 4948960^2 + 845129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25206448108241 is a prime.

It is a super-2 number, since 2×25206448108241² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25206448108211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12603224054120 + 12603224054121.

It is an arithmetic number, because the mean of its divisors is an integer number (12603224054121).

Almost surely, 2^{25206448108241} is an apocalyptic number.

It is an amenable number.

25206448108241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25206448108241 is an equidigital number, since it uses as much as digits as its factorization.

25206448108241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 25206448108241 in words is "twenty-five trillion, two hundred six billion, four hundred forty-eight million, one hundred eight thousand, two hundred forty-one".