25718112 has 72 divisors (see below), whose sum is σ = 83590416. Its totient is φ = 7347456.

The previous prime is 25718083. The next prime is 25718113. The reversal of 25718112 is 21181752.

25718112 is a `hidden beast` number, since 2 + 571 + 81 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-5 number, since 5×25718112⁵ (a number of 38 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25718113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4363 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (1160978).

Almost surely, 2^25718112 is an apocalyptic number.

It is an amenable number.

25718112 is an abundant number, since it is smaller than the sum of its proper divisors (57872304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25718112 is a wasteful number, since it uses less digits than its factorization.

25718112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780 (or 12769 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 25718112 is about 5071.3027911968. The cubic root of 25718112 is about 295.1750832738.

Adding to 25718112 its reverse (21181752), we get a palindrome (46899864).

The spelling of 25718112 in words is "twenty-five million, seven hundred eighteen thousand, one hundred twelve".