25655894 has 16 divisors (see below), whose sum is σ = 43431120. Its totient is φ = 11259360.

The previous prime is 25655893. The next prime is 25655939. The reversal of 25655894 is 49855652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25655893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19469 + ... + 20744.

It is an arithmetic number, because the mean of its divisors is an integer number (2714445).

Almost surely, 2^25655894 is an apocalyptic number.

25655894 is a deficient number, since it is larger than the sum of its proper divisors (17775226).

25655894 is a wasteful number, since it uses less digits than its factorization.

25655894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40255.

The product of its digits is 432000, while the sum is 44.

The square root of 25655894 is about 5065.1647554645. The cubic root of 25655894 is about 294.9368590327.

It can be divided in two parts, 256558 and 94, that added together give a palindrome (256652).

The spelling of 25655894 in words is "twenty-five million, six hundred fifty-five thousand, eight hundred ninety-four".