25542028 has 12 divisors (see below), whose sum is σ = 44756712. Its totient is φ = 12754400.

The previous prime is 25542001. The next prime is 25542031. The reversal of 25542028 is 82024552.

It is a junction number, because it is equal to n+sod(n) for n = 25541987 and 25542005.

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, 298 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (3729726).

Almost surely, 2^25542028 is an apocalyptic number.

It is an amenable number.

25542028 is a deficient number, since it is larger than the sum of its proper divisors (19214684).

25542028 is a wasteful number, since it uses less digits than its factorization.

25542028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25542028 is about 5053.9121480295. The cubic root of 25542028 is about 294.4998822978.

The spelling of 25542028 in words is "twenty-five million, five hundred forty-two thousand, twenty-eight".