25856994 has 8 divisors (see below), whose sum is σ = 51714000. Its totient is φ = 8618996.

The previous prime is 25856981. The next prime is 25857031. The reversal of 25856994 is 49965852.

It is a sphenic number, since it is the product of 3 distinct primes.

25856994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154744 + ... + 2154755.

It is an arithmetic number, because the mean of its divisors is an integer number (6464250).

Almost surely, 2^25856994 is an apocalyptic number.

25856994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25856994 is a wasteful number, since it uses less digits than its factorization.

25856994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309504.

The product of its digits is 777600, while the sum is 48.

The square root of 25856994 is about 5084.9772860850. The cubic root of 25856994 is about 295.7054609076.

The spelling of 25856994 in words is "twenty-five million, eight hundred fifty-six thousand, nine hundred ninety-four".