25252928 has 14 divisors (see below), whose sum is σ = 50111406. Its totient is φ = 12626432.

The previous prime is 25252921. The next prime is 25252933. The reversal of 25252928 is 82925252.

It can be written as a sum of positive squares in only one way, i.e., 14807104 + 10445824 = 3848^2 + 3232^2 .

It is not an unprimeable number, because it can be changed into a prime (25252921) 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, 197225 + ... + 197352.

Almost surely, 2^25252928 is an apocalyptic number.

It is an amenable number.

25252928 is a deficient number, since it is larger than the sum of its proper divisors (24858478).

25252928 is an equidigital number, since it uses as much as digits as its factorization.

25252928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394589 (or 394579 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 25252928 is about 5025.2291490041. The cubic root of 25252928 is about 293.3845548752.

The spelling of 25252928 in words is "twenty-five million, two hundred fifty-two thousand, nine hundred twenty-eight".