Subtracting from 1533 its sum of digits (12), we obtain a square (1521 = 392).
Adding to 1533 its reverse (3351), we get a palindrome (4884).
It is a happy number.
1533 is nontrivially palindromic in base 2 and base 14.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Duffinian number.
1533 is an undulating number in base 14.
It is a Curzon number.
1533 is a lucky number.
It is a nialpdrome in base 7.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 1533.
It is an amenable number.
1533 is an equidigital number, since it uses as much as digits as its factorization.
1533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83.
The square root of 1533 is about 39.1535439009. The cubic root of 1533 is about 11.5304799502.
The spelling of 1533 in words is "one thousand, five hundred thirty-three".