25195321232 has 20 divisors (see below), whose sum is σ = 49139223936. Its totient is φ = 12514231200.

The previous prime is 25195321231. The next prime is 25195321247. The reversal of 25195321232 is 23212359152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25195321192 and 25195321201.

It is not an unprimeable number, because it can be changed into a prime (25195321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211848 + ... + 5216679.

Almost surely, 2^25195321232 is an apocalyptic number.

It is an amenable number.

25195321232 is a deficient number, since it is larger than the sum of its proper divisors (23943902704).

25195321232 is a wasteful number, since it uses less digits than its factorization.

25195321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428686 (or 10428680 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The spelling of 25195321232 in words is "twenty-five billion, one hundred ninety-five million, three hundred twenty-one thousand, two hundred thirty-two".