25982512 has 10 divisors (see below), whose sum is σ = 50341148. Its totient is φ = 12991248.

The previous prime is 25982497. The next prime is 25982531. The reversal of 25982512 is 21528952.

It is a happy 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 as a sum of consecutive naturals, namely, 811938 + ... + 811969.

Almost surely, 2^25982512 is an apocalyptic number.

It is an amenable number.

25982512 is a deficient number, since it is larger than the sum of its proper divisors (24358636).

25982512 is a wasteful number, since it uses less digits than its factorization.

25982512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623915 (or 1623909 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 25982512 is about 5097.3043856533. The cubic root of 25982512 is about 296.1831712622.

The spelling of 25982512 in words is "twenty-five million, nine hundred eighty-two thousand, five hundred twelve".