25456012 has 12 divisors (see below), whose sum is σ = 45112480. Its totient is φ = 12566736.

The previous prime is 25455967. The next prime is 25456019. The reversal of 25456012 is 21065452.

It is not an unprimeable number, because it can be changed into a prime (25456019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39963 + ... + 40594.

Almost surely, 2^25456012 is an apocalyptic number.

It is an amenable number.

25456012 is a deficient number, since it is larger than the sum of its proper divisors (19656468).

25456012 is a wasteful number, since it uses less digits than its factorization.

25456012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80640 (or 80638 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25456012 is about 5045.3951282333. The cubic root of 25456012 is about 294.1689220064.

The spelling of 25456012 in words is "twenty-five million, four hundred fifty-six thousand, twelve".