25799894 has 8 divisors (see below), whose sum is σ = 38808720. Its totient is φ = 12863656.

The previous prime is 25799887. The next prime is 25799911. The reversal of 25799894 is 49899752.

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

It is a super-2 number, since 2×25799894² = 1331269060822472, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17249 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (4851090).

Almost surely, 2^25799894 is an apocalyptic number.

25799894 is a deficient number, since it is larger than the sum of its proper divisors (13008826).

25799894 is a wasteful number, since it uses less digits than its factorization.

25799894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36294.

The product of its digits is 1632960, while the sum is 53.

The square root of 25799894 is about 5079.3596053046. The cubic root of 25799894 is about 295.4876316944.

The spelling of 25799894 in words is "twenty-five million, seven hundred ninety-nine thousand, eight hundred ninety-four".