4273 has 2 divisors, whose sum is σ = 4274.
Its totient is φ = 4272.
The previous prime is 4271. The next prime is 4283. The reversal of 4273 is 3724.
Adding to 4273 its reverse (3724), we get a palindrome (7997).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3249 + 1024 = 57^2 + 32^2
It is a cyclic number.
It is not a de Polignac number, because 4273 - 21 = 4271 is a prime.
Together with 4271, it forms a pair of twin primes.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4273.
It is not a weakly prime, because it can be changed into another prime (4271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136 + 2137.
It is an arithmetic number, because the mean of its divisors is an integer number (2137).
24273 is an apocalyptic number.
It is an amenable number.
4273 is a deficient number, since it is larger than the sum of its proper divisors (1).
4273 is an equidigital number, since it uses as much as digits as its factorization.
4273 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 168, while the sum is 16.
The square root of 4273 is about 65.3681879816.
The cubic root of 4273 is about 16.2272264817.
The spelling of 4273 in words is "four thousand, two hundred seventy-three", and thus it is an iban number.