25112 has 16 divisors (see below), whose sum is σ = 48840. Its totient is φ = 12096.

The previous prime is 25111. The next prime is 25117. The reversal of 25112 is 21152.

It is a super-2 number, since 2×25112² = 1261225088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25093 and 25102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 380.

2²⁵¹¹² is an apocalyptic number.

It is an amenable number.

25112 is a deficient number, since it is larger than the sum of its proper divisors (23728).

25112 is a wasteful number, since it uses less digits than its factorization.

25112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 118 counting only the distinct ones).

The product of its digits is 20, while the sum is 11.

The square root of 25112 is about 158.4676623163. The cubic root of 25112 is about 29.2837776686.

Adding to 25112 its reverse (21152), we get a palindrome (46264).

The spelling of 25112 in words is "twenty-five thousand, one hundred twelve".