25241350291 has 2 divisors, whose sum is σ = 25241350292. Its totient is φ = 25241350290.

The previous prime is 25241350187. The next prime is 25241350297. The reversal of 25241350291 is 19205314252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25241350291 - 2⁷ = 25241350163 is a prime.

It is not a weakly prime, because it can be changed into another prime (25241350297) 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, 12620675145 + 12620675146.

It is an arithmetic number, because the mean of its divisors is an integer number (12620675146).

Almost surely, 2^25241350291 is an apocalyptic number.

25241350291 is a deficient number, since it is larger than the sum of its proper divisors (1).

25241350291 is an equidigital number, since it uses as much as digits as its factorization.

25241350291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 25241350291 in words is "twenty-five billion, two hundred forty-one million, three hundred fifty thousand, two hundred ninety-one".