25493266 has 4 divisors (see below), whose sum is σ = 38239902. Its totient is φ = 12746632.

The previous prime is 25493263. The next prime is 25493287. The reversal of 25493266 is 66239452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 2019241 = 4845^2 + 1421^2 .

It is a super-2 number, since 2×25493266² = 1299813222693512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25493261) by changing a digit.

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 as a sum of consecutive naturals, namely, 6373315 + ... + 6373318.

Almost surely, 2^25493266 is an apocalyptic number.

25493266 is a deficient number, since it is larger than the sum of its proper divisors (12746636).

25493266 is a wasteful number, since it uses less digits than its factorization.

25493266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746635.

The product of its digits is 77760, while the sum is 37.

The square root of 25493266 is about 5049.0856598002. The cubic root of 25493266 is about 294.3123541006.

The spelling of 25493266 in words is "twenty-five million, four hundred ninety-three thousand, two hundred sixty-six".