Find the smallest positive integer(in base 10) satisfying the following 3 conditions: 1). It is odd 2). It is a square 3). Its only digits are 0 and 1. Happy

Find the smallest positive integer(in base 10) satisfying the following 3 conditions: 1). It is odd 2). It is a square 3). Its only digits are 0 and 1. Happy solving!