25826028 has 12 divisors (see below), whose sum is σ = 60260760. Its totient is φ = 8608672.

The previous prime is 25825993. The next prime is 25826039. The reversal of 25826028 is 82062852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25826028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076073 + ... + 1076096.

It is an arithmetic number, because the mean of its divisors is an integer number (5021730).

Almost surely, 2^25826028 is an apocalyptic number.

It is an amenable number.

25826028 is an abundant number, since it is smaller than the sum of its proper divisors (34434732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25826028 is a wasteful number, since it uses less digits than its factorization.

25826028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152176 (or 2152174 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 25826028 is about 5081.9315225611. The cubic root of 25826028 is about 295.5873694144.

The spelling of 25826028 in words is "twenty-five million, eight hundred twenty-six thousand, twenty-eight".