25536426 has 16 divisors (see below), whose sum is σ = 51192000. Its totient is φ = 8492288.

The previous prime is 25536421. The next prime is 25536457. The reversal of 25536426 is 62463552.

It is not an unprimeable number, because it can be changed into a prime (25536421) 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, 2046 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (3199500).

Almost surely, 2^25536426 is an apocalyptic number.

25536426 is an abundant number, since it is smaller than the sum of its proper divisors (25655574).

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

25536426 is a wasteful number, since it uses less digits than its factorization.

25536426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933.

The product of its digits is 43200, while the sum is 33.

The square root of 25536426 is about 5053.3578935199. The cubic root of 25536426 is about 294.4783503484.

Adding to 25536426 its reverse (62463552), we get a palindrome (87999978).

The spelling of 25536426 in words is "twenty-five million, five hundred thirty-six thousand, four hundred twenty-six".