It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 10.
It is a congruent number.
It is a Poulet number, since it divides 283332-1.
283333 is an apocalyptic number.
83333 is the 167-th octagonal number.
It is an amenable number.
83333 is a wasteful number, since it uses less digits than its factorization.
83333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666.
The square root of 83333 is about 288.6745572440. The cubic root of 83333 is about 43.6789649980.
The spelling of 83333 in words is "eighty-three thousand, three hundred thirty-three".