25235403325241 has 2 divisors, whose sum is σ = 25235403325242. Its totient is φ = 25235403325240.

The previous prime is 25235403325169. The next prime is 25235403325283. The reversal of 25235403325241 is 14252330453252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12879334710841 + 12356068614400 = 3588779^2 + 3515120^2 .

It is a cyclic number.

It is not a de Polignac number, because 25235403325241 - 2¹⁸ = 25235403063097 is a prime.

It is not a weakly prime, because it can be changed into another prime (25235400325241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12617701662620 + 12617701662621.

It is an arithmetic number, because the mean of its divisors is an integer number (12617701662621).

Almost surely, 2^{25235403325241} is an apocalyptic number.

It is an amenable number.

25235403325241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25235403325241 is an equidigital number, since it uses as much as digits as its factorization.

25235403325241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 25235403325241 its reverse (14252330453252), we get a palindrome (39487733778493).

The spelling of 25235403325241 in words is "twenty-five trillion, two hundred thirty-five billion, four hundred three million, three hundred twenty-five thousand, two hundred forty-one".