25269131317 has 16 divisors (see below), whose sum is σ = 25623666432. Its totient is φ = 24917855040.

The previous prime is 25269131297. The next prime is 25269131333. The reversal of 25269131317 is 71313196252.

It is a cyclic number.

It is not a de Polignac number, because 25269131317 - 2⁷ = 25269131189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25269131317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25269131617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12465258 + ... + 12467284.

It is an arithmetic number, because the mean of its divisors is an integer number (1601479152).

Almost surely, 2^25269131317 is an apocalyptic number.

It is an amenable number.

25269131317 is a deficient number, since it is larger than the sum of its proper divisors (354535115).

25269131317 is a wasteful number, since it uses less digits than its factorization.

25269131317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its digits is 68040, while the sum is 40.

The spelling of 25269131317 in words is "twenty-five billion, two hundred sixty-nine million, one hundred thirty-one thousand, three hundred seventeen".