25093498217 has 2 divisors, whose sum is σ = 25093498218. Its totient is φ = 25093498216.

The previous prime is 25093498201. The next prime is 25093498229. The reversal of 25093498217 is 71289439052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21287101801 + 3806396416 = 145901^2 + 61696^2 .

It is a cyclic number.

It is not a de Polignac number, because 25093498217 - 2⁴ = 25093498201 is a prime.

It is not a weakly prime, because it can be changed into another prime (25093498117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12546749108 + 12546749109.

It is an arithmetic number, because the mean of its divisors is an integer number (12546749109).

Almost surely, 2^25093498217 is an apocalyptic number.

It is an amenable number.

25093498217 is a deficient number, since it is larger than the sum of its proper divisors (1).

25093498217 is an equidigital number, since it uses as much as digits as its factorization.

25093498217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 25093498217 in words is "twenty-five billion, ninety-three million, four hundred ninety-eight thousand, two hundred seventeen".