28283 has 2 divisors, whose sum is σ = 28284. Its totient is φ = 28282.

The previous prime is 28279. The next prime is 28289. The reversal of 28283 is 38282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28283 - 2² = 28279 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (28289) by changing a digit.

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 as a sum of consecutive naturals, namely, 14141 + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (14142).

2²⁸²⁸³ is an apocalyptic number.

28283 is a deficient number, since it is larger than the sum of its proper divisors (1).

28283 is an equidigital number, since it uses as much as digits as its factorization.

28283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 28283 is about 168.1755035670. The cubic root of 28283 is about 30.4678511021.

Subtracting 28283 from its reverse (38282), we obtain a palindrome (9999).

The spelling of 28283 in words is "twenty-eight thousand, two hundred eighty-three".