25765136 has 20 divisors (see below), whose sum is σ = 50187264. Its totient is φ = 12813600.

The previous prime is 25765133. The next prime is 25765147. The reversal of 25765136 is 63156752.

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

It is a junction number, because it is equal to n+sod(n) for n = 25765096 and 25765105.

It is not an unprimeable number, because it can be changed into a prime (25765133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160 + ... + 7271.

Almost surely, 2^25765136 is an apocalyptic number.

It is an amenable number.

25765136 is a deficient number, since it is larger than the sum of its proper divisors (24422128).

25765136 is a wasteful number, since it uses less digits than its factorization.

25765136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8624 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 25765136 is about 5075.9369578433. The cubic root of 25765136 is about 295.3548769529.

The spelling of 25765136 in words is "twenty-five million, seven hundred sixty-five thousand, one hundred thirty-six".