25001872 has 80 divisors (see below), whose sum is σ = 60313600. Its totient is φ = 9797760.

The previous prime is 25001863. The next prime is 25001881. The reversal of 25001872 is 27810052.

It is an interprime number because it is at equal distance from previous prime (25001863) and next prime (25001881).

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, 65779 + ... + 66157.

It is an arithmetic number, because the mean of its divisors is an integer number (753920).

Almost surely, 2^25001872 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 25001872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30156800).

25001872 is an abundant number, since it is smaller than the sum of its proper divisors (35311728).

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

25001872 is a wasteful number, since it uses less digits than its factorization.

25001872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 25001872 is about 5000.1871964957. The cubic root of 25001872 is about 292.4090719874.

The spelling of 25001872 in words is "twenty-five million, one thousand, eight hundred seventy-two".