25116836 has 12 divisors (see below), whose sum is σ = 44030028. Its totient is φ = 12536832.

The previous prime is 25116829. The next prime is 25116877. The reversal of 25116836 is 63861152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7054336 + 18062500 = 2656^2 + 4250^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (3669169).

Almost surely, 2^25116836 is an apocalyptic number.

It is an amenable number.

25116836 is a deficient number, since it is larger than the sum of its proper divisors (18913192).

25116836 is a wasteful number, since it uses less digits than its factorization.

25116836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798 (or 10796 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 25116836 is about 5011.6699811540. The cubic root of 25116836 is about 292.8565734444.

Adding to 25116836 its reverse (63861152), we get a palindrome (88977988).

It can be divided in two parts, 25116 and 836, that added together give a palindrome (25952).

The spelling of 25116836 in words is "twenty-five million, one hundred sixteen thousand, eight hundred thirty-six".