25996266 has 12 divisors (see below), whose sum is σ = 56325282. Its totient is φ = 8665416.

The previous prime is 25996241. The next prime is 25996297. The reversal of 25996266 is 66269952.

It can be written as a sum of positive squares in only one way, i.e., 19105641 + 6890625 = 4371^2 + 2625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722101 + ... + 722136.

Almost surely, 2^25996266 is an apocalyptic number.

25996266 is an abundant number, since it is smaller than the sum of its proper divisors (30329016).

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

25996266 is a wasteful number, since it uses less digits than its factorization.

25996266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444245 (or 1444242 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 25996266 is about 5098.6533516214. The cubic root of 25996266 is about 296.2354241614.

It can be divided in two parts, 25996 and 266, that added together give a palindrome (26262).

The spelling of 25996266 in words is "twenty-five million, nine hundred ninety-six thousand, two hundred sixty-six".