25188032 has 28 divisors (see below), whose sum is σ = 50480976. Its totient is φ = 12468480.

The previous prime is 25188029. The next prime is 25188041. The reversal of 25188032 is 23088152.

It is a junction number, because it is equal to n+sod(n) for n = 25187986 and 25188004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4682 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (1802892).

Almost surely, 2^25188032 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 25188032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25240488).

25188032 is an abundant number, since it is smaller than the sum of its proper divisors (25292944).

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

25188032 is a wasteful number, since it uses less digits than its factorization.

25188032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 25188032 is about 5018.7679763065. The cubic root of 25188032 is about 293.1330221041.

The spelling of 25188032 in words is "twenty-five million, one hundred eighty-eight thousand, thirty-two".