Adding to 1505 its reverse (5051), we get a palindrome (6556).
1505 is nontrivially palindromic in base 14.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Duffinian number.
1505 is an undulating number in base 14.
It is a Curzon number.
It is a plaindrome in base 11.
It is a nialpdrome in base 12.
It is an unprimeable number.
It is an amenable number.
1505 is an equidigital number, since it uses as much as digits as its factorization.
1505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55.
The square root of 1505 is about 38.7943294825. The cubic root of 1505 is about 11.4598473665.
The spelling of 1505 in words is "one thousand, five hundred five".