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: 7941 = 3 ⋅2647.
It is a D-number.
It is a Duffinian number.
It is the 26-th Perrin number.
1497 is a lucky number.
It is a plaindrome in base 14 and base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 1497.
21497 is an apocalyptic number.
It is an amenable number.
1497 is an equidigital number, since it uses as much as digits as its factorization.
1497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502.
The square root of 1497 is about 38.6910842443. The cubic root of 1497 is about 11.4395059040.
The spelling of 1497 in words is "one thousand, four hundred ninety-seven".