Adding to 1757 its product of digits (245), we get a palindrome (2002).
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: 7571 = 67 ⋅113.
It is a cyclic number.
It is a plaindrome in base 8, base 11 and base 16.
It is a nialpdrome in base 13.
It is a congruent number.
It is an amenable number.
1757 is an equidigital number, since it uses as much as digits as its factorization.
1757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258.
The square root of 1757 is about 41.9165838303. The cubic root of 1757 is about 12.0667575600.
The spelling of 1757 in words is "one thousand, seven hundred fifty-seven".