25949288 has 32 divisors (see below), whose sum is σ = 51888000. Its totient is φ = 12130560.

The previous prime is 25949281. The next prime is 25949299. The reversal of 25949288 is 88294952.

It is not an unprimeable number, because it can be changed into a prime (25949281) 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 in 7 ways as a sum of consecutive naturals, for example, 10928 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (1621500).

Almost surely, 2^25949288 is an apocalyptic number.

It is an amenable number.

25949288 is a deficient number, since it is larger than the sum of its proper divisors (25938712).

25949288 is a wasteful number, since it uses less digits than its factorization.

25949288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2261 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 25949288 is about 5094.0443657275. The cubic root of 25949288 is about 296.0568736588.

The spelling of 25949288 in words is "twenty-five million, nine hundred forty-nine thousand, two hundred eighty-eight".