25195012 has 6 divisors (see below), whose sum is σ = 44091278. Its totient is φ = 12597504.

The previous prime is 25194977. The next prime is 25195057. The reversal of 25195012 is 21059152.

It can be written as a sum of positive squares in only one way, i.e., 16516096 + 8678916 = 4064^2 + 2946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149373 + ... + 3149380.

Almost surely, 2^25195012 is an apocalyptic number.

It is an amenable number.

25195012 is a deficient number, since it is larger than the sum of its proper divisors (18896266).

25195012 is a wasteful number, since it uses less digits than its factorization.

25195012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298757 (or 6298755 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 25195012 is about 5019.4633179255. The cubic root of 25195012 is about 293.1600968609.

The spelling of 25195012 in words is "twenty-five million, one hundred ninety-five thousand, twelve".