25012032 has 112 divisors (see below), whose sum is σ = 71688960. Its totient is φ = 7667712.

The previous prime is 25012027. The next prime is 25012061. The reversal of 25012032 is 23021052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257808 + ... + 257904.

It is an arithmetic number, because the mean of its divisors is an integer number (640080).

Almost surely, 2^25012032 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 25012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35844480).

25012032 is an abundant number, since it is smaller than the sum of its proper divisors (46676928).

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

25012032 is a wasteful number, since it uses less digits than its factorization.

25012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 25012032 is about 5001.2030552658. The cubic root of 25012032 is about 292.4486753397.

Adding to 25012032 its reverse (23021052), we get a palindrome (48033084).

The spelling of 25012032 in words is "twenty-five million, twelve thousand, thirty-two".