25195932 has 72 divisors (see below), whose sum is σ = 66673152. Its totient is φ = 8013600.

The previous prime is 25195913. The next prime is 25195943. The reversal of 25195932 is 23959152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119307 + ... + 119517.

It is an arithmetic number, because the mean of its divisors is an integer number (926016).

It is a vampire number, since it can be written as 2532 ⋅ 9951 (with its own digits).

Almost surely, 2^25195932 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 25195932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33336576).

25195932 is an abundant number, since it is smaller than the sum of its proper divisors (41477220).

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

25195932 is a wasteful number, since it uses less digits than its factorization.

25195932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 354 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 25195932 is about 5019.5549603526. The cubic root of 25195932 is about 293.1636650805.

The spelling of 25195932 in words is "twenty-five million, one hundred ninety-five thousand, nine hundred thirty-two".