1797 is nontrivially palindromic in base 5.
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 an emirpimes, since its reverse is a distinct semiprime: 7971 = 3 ⋅2657.
It is a cyclic number.
It is a D-number.
1797 is a lucky number.
It is a nialpdrome in base 13.
It is a congruent number.
21797 is an apocalyptic number.
It is an amenable number.
1797 is an equidigital number, since it uses as much as digits as its factorization.
1797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 602.
The square root of 1797 is about 42.3910367885. The cubic root of 1797 is about 12.1576422310.
The spelling of 1797 in words is "one thousand, seven hundred ninety-seven".