25117160 has 64 divisors (see below), whose sum is σ = 61300800. Its totient is φ = 9225216.

The previous prime is 25117151. The next prime is 25117193. The reversal of 25117160 is 6171152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28811 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (957825).

Almost surely, 2^25117160 is an apocalyptic number.

25117160 is a gapful number since it is divisible by the number (20) 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 25117160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30650400).

25117160 is an abundant number, since it is smaller than the sum of its proper divisors (36183640).

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

25117160 is a wasteful number, since it uses less digits than its factorization.

25117160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 25117160 is about 5011.7023056044. The cubic root of 25117160 is about 292.8578326943.

The spelling of 25117160 in words is "twenty-five million, one hundred seventeen thousand, one hundred sixty".