25195912 has 32 divisors (see below), whose sum is σ = 54760320. Its totient is φ = 10644480.

The previous prime is 25195871. The next prime is 25195913. The reversal of 25195912 is 21959152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25195913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (1711260).

Almost surely, 2^25195912 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 25195912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27380160).

25195912 is an abundant number, since it is smaller than the sum of its proper divisors (29564408).

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

25195912 is a wasteful number, since it uses less digits than its factorization.

25195912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421 (or 6417 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 25195912 is about 5019.5529681437. The cubic root of 25195912 is about 293.1635875115.

The spelling of 25195912 in words is "twenty-five million, one hundred ninety-five thousand, nine hundred twelve".