25343605841 has 2 divisors, whose sum is σ = 25343605842. Its totient is φ = 25343605840.

The previous prime is 25343605817. The next prime is 25343605843. The reversal of 25343605841 is 14850634352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17683680400 + 7659925441 = 132980^2 + 87521^2 .

It is a cyclic number.

It is not a de Polignac number, because 25343605841 - 2¹⁰ = 25343604817 is a prime.

Together with 25343605843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25343605843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671802920 + 12671802921.

It is an arithmetic number, because the mean of its divisors is an integer number (12671802921).

Almost surely, 2^25343605841 is an apocalyptic number.

It is an amenable number.

25343605841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25343605841 is an equidigital number, since it uses as much as digits as its factorization.

25343605841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 25343605841 in words is "twenty-five billion, three hundred forty-three million, six hundred five thousand, eight hundred forty-one".