25288028 has 12 divisors (see below), whose sum is σ = 44294712. Its totient is φ = 12632400.

The previous prime is 25288019. The next prime is 25288037. The reversal of 25288028 is 82088252.

It is an interprime number because it is at equal distance from previous prime (25288019) and next prime (25288037).

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 in 3 ways as a sum of consecutive naturals, for example, 3626 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (3691226).

Almost surely, 2^25288028 is an apocalyptic number.

It is an amenable number.

25288028 is a deficient number, since it is larger than the sum of its proper divisors (19006684).

25288028 is a wasteful number, since it uses less digits than its factorization.

25288028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5810 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 25288028 is about 5028.7203143543. The cubic root of 25288028 is about 293.5204207104.

The spelling of 25288028 in words is "twenty-five million, two hundred eighty-eight thousand, twenty-eight".