8543243 has 4 divisors (see below), whose sum is σ = 8573928. Its totient is φ = 8512560.

The previous prime is 8543207. The next prime is 8543257. The reversal of 8543243 is 3423458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8543243 - 2¹² = 8539147 is a prime.

It is a d-powerful number, because it can be written as 8³ + 5⁵ + 4⁸ + 3⁵ + 2²³ + 4⁸ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8543443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (2143482).

Almost surely, 2^8543243 is an apocalyptic number.

8543243 is a deficient number, since it is larger than the sum of its proper divisors (30685).

8543243 is a wasteful number, since it uses less digits than its factorization.

8543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30684.

The product of its digits is 11520, while the sum is 29.

The square root of 8543243 is about 2922.8826524512. The cubic root of 8543243 is about 204.4282541943.

The spelling of 8543243 in words is "eight million, five hundred forty-three thousand, two hundred forty-three".