25275168 has 144 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 7672320.

The previous prime is 25275163. The next prime is 25275169. The reversal of 25275168 is 86157252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25275161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169558 + ... + 169706.

It is an arithmetic number, because the mean of its divisors is an integer number (546000).

Almost surely, 2^25275168 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 25275168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39312000).

25275168 is an abundant number, since it is smaller than the sum of its proper divisors (53348832).

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

25275168 is a wasteful number, since it uses less digits than its factorization.

25275168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 25275168 is about 5027.4414964274. The cubic root of 25275168 is about 293.4706565473.

The spelling of 25275168 in words is "twenty-five million, two hundred seventy-five thousand, one hundred sixty-eight".