Adding to 4534 its product of digits (240), we get a palindrome (4774).
Adding to 4534 its reverse (4354), we get a palindrome (8888).
It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
4534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
4534 is a wasteful number, since it uses less digits than its factorization.
4534 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2269.
The square root of 4534 is about 67.3349834781. The cubic root of 4534 is about 16.5511117869.
The spelling of 4534 in words is "four thousand, five hundred thirty-four".