28283263 has 2 divisors, whose sum is σ = 28283264. Its totient is φ = 28283262.

The previous prime is 28283231. The next prime is 28283327. The reversal of 28283263 is 36238282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28283263 - 2⁵ = 28283231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28283363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141631 + 14141632.

It is an arithmetic number, because the mean of its divisors is an integer number (14141632).

Almost surely, 2^28283263 is an apocalyptic number.

28283263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28283263 is an equidigital number, since it uses as much as digits as its factorization.

28283263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 28283263 is about 5318.2011056371. The cubic root of 28283263 is about 304.6794554072.

The spelling of 28283263 in words is "twenty-eight million, two hundred eighty-three thousand, two hundred sixty-three".