25512036 has 48 divisors (see below), whose sum is σ = 68765760. Its totient is φ = 7275520.

The previous prime is 25512017. The next prime is 25512077. The reversal of 25512036 is 63021552.

It is a junction number, because it is equal to n+sod(n) for n = 25511997 and 25512015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3441 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (1432620).

Almost surely, 2^25512036 is an apocalyptic number.

It is an amenable number.

25512036 is an abundant number, since it is smaller than the sum of its proper divisors (43253724).

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

25512036 is a wasteful number, since it uses less digits than its factorization.

25512036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25512036 is about 5050.9440701714. The cubic root of 25512036 is about 294.3845677806.

Adding to 25512036 its reverse (63021552), we get a palindrome (88533588).

The spelling of 25512036 in words is "twenty-five million, five hundred twelve thousand, thirty-six".