28065254 has 8 divisors (see below), whose sum is σ = 48111888. Its totient is φ = 12027960.

The previous prime is 28065229. The next prime is 28065259. The reversal of 28065254 is 45256082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28065254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28065259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002317 + ... + 1002344.

It is an arithmetic number, because the mean of its divisors is an integer number (6013986).

Almost surely, 2^28065254 is an apocalyptic number.

28065254 is a deficient number, since it is larger than the sum of its proper divisors (20046634).

28065254 is a wasteful number, since it uses less digits than its factorization.

28065254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004670.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 28065254 is about 5297.6649573185. The cubic root of 28065254 is about 303.8946065287.

The spelling of 28065254 in words is "twenty-eight million, sixty-five thousand, two hundred fifty-four".