25744252 has 6 divisors (see below), whose sum is σ = 45052448. Its totient is φ = 12872124.

The previous prime is 25744247. The next prime is 25744261. The reversal of 25744252 is 25244752.

It is a super-2 number, since 2×25744252² = 1325533022079008, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3218028 + ... + 3218035.

Almost surely, 2^25744252 is an apocalyptic number.

It is an amenable number.

25744252 is a deficient number, since it is larger than the sum of its proper divisors (19308196).

25744252 is a wasteful number, since it uses less digits than its factorization.

25744252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436067 (or 6436065 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 25744252 is about 5073.8793836669. The cubic root of 25744252 is about 295.2750551536.

Subtracting from 25744252 its reverse (25244752), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 25744252 in words is "twenty-five million, seven hundred forty-four thousand, two hundred fifty-two".