25316675317 has 2 divisors, whose sum is σ = 25316675318. Its totient is φ = 25316675316.

The previous prime is 25316675309. The next prime is 25316675339. The reversal of 25316675317 is 71357661352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16798492881 + 8518182436 = 129609^2 + 92294^2 .

It is a cyclic number.

It is not a de Polignac number, because 25316675317 - 2³ = 25316675309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25316675017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12658337658 + 12658337659.

It is an arithmetic number, because the mean of its divisors is an integer number (12658337659).

Almost surely, 2^25316675317 is an apocalyptic number.

It is an amenable number.

25316675317 is a deficient number, since it is larger than the sum of its proper divisors (1).

25316675317 is an equidigital number, since it uses as much as digits as its factorization.

25316675317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The spelling of 25316675317 in words is "twenty-five billion, three hundred sixteen million, six hundred seventy-five thousand, three hundred seventeen".