25231266 has 12 divisors (see below), whose sum is σ = 54667782. Its totient is φ = 8410416.

The previous prime is 25231249. The next prime is 25231279. The reversal of 25231266 is 66213252.

It can be written as a sum of positive squares in only one way, i.e., 19105641 + 6125625 = 4371^2 + 2475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700851 + ... + 700886.

Almost surely, 2^25231266 is an apocalyptic number.

25231266 is an abundant number, since it is smaller than the sum of its proper divisors (29436516).

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

25231266 is a wasteful number, since it uses less digits than its factorization.

25231266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401745 (or 1401742 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25231266 is about 5023.0733619966. The cubic root of 25231266 is about 293.3006423049.

The spelling of 25231266 in words is "twenty-five million, two hundred thirty-one thousand, two hundred sixty-six".