25168 has 30 divisors (see below), whose sum is σ = 57722. Its totient is φ = 10560.

The previous prime is 25163. The next prime is 25169. The reversal of 25168 is 86152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17424 + 7744 = 132^2 + 88^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163) 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 5 ways as a sum of consecutive naturals, for example, 1930 + ... + 1942.

2²⁵¹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28861).

25168 is an abundant number, since it is smaller than the sum of its proper divisors (32554).

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

25168 is a wasteful number, since it uses less digits than its factorization.

25168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43 (or 26 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 25168 is about 158.6442561204. The cubic root of 25168 is about 29.3055292092.

The spelling of 25168 in words is "twenty-five thousand, one hundred sixty-eight".