25317193 has 6 divisors (see below), whose sum is σ = 27828122. Its totient is φ = 23015520.

The previous prime is 25317167. The next prime is 25317211. The reversal of 25317193 is 39171352.

It can be written as a sum of positive squares in only one way, i.e., 21040569 + 4276624 = 4587^2 + 2068^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25317193 is a prime.

It is a super-2 number, since 2×25317193² = 1281920522798498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25317133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104496 + ... + 104737.

Almost surely, 2^25317193 is an apocalyptic number.

It is an amenable number.

25317193 is a deficient number, since it is larger than the sum of its proper divisors (2510929).

25317193 is a wasteful number, since it uses less digits than its factorization.

25317193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209255 (or 209244 counting only the distinct ones).

The product of its digits is 5670, while the sum is 31.

The square root of 25317193 is about 5031.6193218486. The cubic root of 25317193 is about 293.6332176195.

The spelling of 25317193 in words is "twenty-five million, three hundred seventeen thousand, one hundred ninety-three".