Subtracting 1963 from its reverse (3691), we obtain a cube (1728 = 123).
1963 is nontrivially palindromic in base 6.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
1963 is a lucky number.
It is a plaindrome in base 12, base 15 and base 16.
It is a nialpdrome in base 13.
It is a zygodrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 1963.
21963 is an apocalyptic number.
1963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1963 is a wasteful number, since it uses less digits than its factorization.
1963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164.
The square root of 1963 is about 44.3057558338. The cubic root of 1963 is about 12.5210312617.
The spelling of 1963 in words is "one thousand, nine hundred sixty-three".