25317617295 has 32 divisors (see below), whose sum is σ = 41134586112. Its totient is φ = 13294144512.

The previous prime is 25317617291. The next prime is 25317617321. The reversal of 25317617295 is 59271671352.

It is not a de Polignac number, because 25317617295 - 2² = 25317617291 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25317617291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2278824 + ... + 2289906.

It is an arithmetic number, because the mean of its divisors is an integer number (1285455816).

Almost surely, 2^25317617295 is an apocalyptic number.

25317617295 is a deficient number, since it is larger than the sum of its proper divisors (15816968817).

25317617295 is a wasteful number, since it uses less digits than its factorization.

25317617295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431.

The product of its digits is 793800, while the sum is 48.

The spelling of 25317617295 in words is "twenty-five billion, three hundred seventeen million, six hundred seventeen thousand, two hundred ninety-five".