25317116 has 24 divisors (see below), whose sum is σ = 50001840. Its totient is φ = 11110400.

The previous prime is 25317073. The next prime is 25317119. The reversal of 25317116 is 61171352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25317119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8645 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (2083410).

Almost surely, 2^25317116 is an apocalyptic number.

It is an amenable number.

25317116 is a deficient number, since it is larger than the sum of its proper divisors (24684724).

25317116 is a wasteful number, since it uses less digits than its factorization.

25317116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885 (or 19883 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 25317116 is about 5031.6116702305. The cubic root of 25317116 is about 293.6329199328.

Adding to 25317116 its reverse (61171352), we get a palindrome (86488468).

The spelling of 25317116 in words is "twenty-five million, three hundred seventeen thousand, one hundred sixteen".