25116 has 48 divisors (see below), whose sum is σ = 75264. Its totient is φ = 6336.

The previous prime is 25111. The next prime is 25117. The reversal of 25116 is 61152.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25095 and 25104.

It is a congruent number.

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

25116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 1103.

It is an arithmetic number, because the mean of its divisors is an integer number (1568).

2²⁵¹¹⁶ is an apocalyptic number.

25116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37632).

25116 is an abundant number, since it is smaller than the sum of its proper divisors (50148).

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

25116 is a wasteful number, since it uses less digits than its factorization.

25116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 48 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 25116 is about 158.4802826853. The cubic root of 25116 is about 29.2853324219.

Adding to 25116 its reverse (61152), we get a palindrome (86268).

It can be divided in two parts, 25 and 116, that added together give a palindrome (141).

The spelling of 25116 in words is "twenty-five thousand, one hundred sixteen".