25256226463241 has 2 divisors, whose sum is σ = 25256226463242. Its totient is φ = 25256226463240.

The previous prime is 25256226463231. The next prime is 25256226463291. The reversal of 25256226463241 is 14236462265252.

It is an a-pointer prime, because the next prime (25256226463291) can be obtained adding 25256226463241 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22059178758400 + 3197047704841 = 4696720^2 + 1788029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25256226463241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25256226463241.

It is not a weakly prime, because it can be changed into another prime (25256226463231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12628113231620 + 12628113231621.

It is an arithmetic number, because the mean of its divisors is an integer number (12628113231621).

Almost surely, 2^{25256226463241} is an apocalyptic number.

It is an amenable number.

25256226463241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25256226463241 is an equidigital number, since it uses as much as digits as its factorization.

25256226463241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 50.

The spelling of 25256226463241 in words is "twenty-five trillion, two hundred fifty-six billion, two hundred twenty-six million, four hundred sixty-three thousand, two hundred forty-one".