25145960 has 64 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 8340480.

The previous prime is 25145959. The next prime is 25145983. The reversal of 25145960 is 6954152.

It is a happy number.

It is a congruent number.

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, 7232 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^25145960 is an apocalyptic number.

25145960 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 25145960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33384960).

25145960 is an abundant number, since it is smaller than the sum of its proper divisors (41623960).

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

25145960 is a wasteful number, since it uses less digits than its factorization.

25145960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 25145960 is about 5014.5747576440. The cubic root of 25145960 is about 292.9697227855.

The spelling of 25145960 in words is "twenty-five million, one hundred forty-five thousand, nine hundred sixty".