4543243 has 2 divisors, whose sum is σ = 4543244. Its totient is φ = 4543242.

The previous prime is 4543241. The next prime is 4543247. The reversal of 4543243 is 3423454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4543243 - 2¹ = 4543241 is a prime.

Together with 4543241, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 4⁴ + 5⁷ + 4⁸ + 3⁹ + 2¹³ + 4¹¹ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (4543241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271621 + 2271622.

It is an arithmetic number, because the mean of its divisors is an integer number (2271622).

Almost surely, 2^4543243 is an apocalyptic number.

4543243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4543243 is an equidigital number, since it uses as much as digits as its factorization.

4543243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 25.

The square root of 4543243 is about 2131.4884470717. The cubic root of 4543243 is about 165.6235116990.

Adding to 4543243 its reverse (3423454), we get a palindrome (7966697).

The spelling of 4543243 in words is "four million, five hundred forty-three thousand, two hundred forty-three".