25478126 has 16 divisors (see below), whose sum is σ = 41318160. Its totient is φ = 11741760.

The previous prime is 25478111. The next prime is 25478129. The reversal of 25478126 is 62187452.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25478129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7655 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (2582385).

Almost surely, 2^25478126 is an apocalyptic number.

25478126 is a deficient number, since it is larger than the sum of its proper divisors (15840034).

25478126 is a wasteful number, since it uses less digits than its factorization.

25478126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179.

The product of its digits is 26880, while the sum is 35.

The square root of 25478126 is about 5047.5861557778. The cubic root of 25478126 is about 294.2540802618.

The spelling of 25478126 in words is "twenty-five million, four hundred seventy-eight thousand, one hundred twenty-six".