25305168 has 160 divisors (see below), whose sum is σ = 80352000. Its totient is φ = 6849024.

The previous prime is 25305157. The next prime is 25305173. The reversal of 25305168 is 86150352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477430 + ... + 477482.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^25305168 is an apocalyptic number.

25305168 is a gapful number since it is divisible by the number (28) 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 25305168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40176000).

25305168 is an abundant number, since it is smaller than the sum of its proper divisors (55046832).

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

25305168 is a wasteful number, since it uses less digits than its factorization.

25305168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 25305168 is about 5030.4242365828. The cubic root of 25305168 is about 293.5867209085.

The spelling of 25305168 in words is "twenty-five million, three hundred five thousand, one hundred sixty-eight".