25838012 has 12 divisors (see below), whose sum is σ = 46268376. Its totient is φ = 12618480.

The previous prime is 25838003. The next prime is 25838027. The reversal of 25838012 is 21083852.

It is a super-2 number, since 2×25838012² = 1335205728224288, which contains 22 as substring.

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 74939 + ... + 75282.

It is an arithmetic number, because the mean of its divisors is an integer number (3855698).

Almost surely, 2^25838012 is an apocalyptic number.

It is an amenable number.

25838012 is a deficient number, since it is larger than the sum of its proper divisors (20430364).

25838012 is a wasteful number, since it uses less digits than its factorization.

25838012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150268 (or 150266 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 25838012 is about 5083.1104650598. The cubic root of 25838012 is about 295.6330826158.

The spelling of 25838012 in words is "twenty-five million, eight hundred thirty-eight thousand, twelve".