25863122 has 16 divisors (see below), whose sum is σ = 39744000. Its totient is φ = 12618480.

The previous prime is 25863121. The next prime is 25863127. The reversal of 25863122 is 22136852.

It is not an unprimeable number, because it can be changed into a prime (25863121) 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, 16847 + ... + 18317.

It is an arithmetic number, because the mean of its divisors is an integer number (2484000).

Almost surely, 2^25863122 is an apocalyptic number.

25863122 is a deficient number, since it is larger than the sum of its proper divisors (13880878).

25863122 is a wasteful number, since it uses less digits than its factorization.

25863122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its digits is 5760, while the sum is 29.

The square root of 25863122 is about 5085.5798096186. The cubic root of 25863122 is about 295.7288193837.

Adding to 25863122 its reverse (22136852), we get a palindrome (47999974).

The spelling of 25863122 in words is "twenty-five million, eight hundred sixty-three thousand, one hundred twenty-two".