25297264 has 10 divisors (see below), whose sum is σ = 49013480. Its totient is φ = 12648624.

The previous prime is 25297247. The next prime is 25297267. The reversal of 25297264 is 46279252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25297267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790524 + ... + 790555.

It is an arithmetic number, because the mean of its divisors is an integer number (4901348).

Almost surely, 2^25297264 is an apocalyptic number.

It is an amenable number.

25297264 is a deficient number, since it is larger than the sum of its proper divisors (23716216).

25297264 is a wasteful number, since it uses less digits than its factorization.

25297264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581087 (or 1581081 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 25297264 is about 5029.6385556022. The cubic root of 25297264 is about 293.5561507224.

The spelling of 25297264 in words is "twenty-five million, two hundred ninety-seven thousand, two hundred sixty-four".