4543943 has 2 divisors, whose sum is σ = 4543944. Its totient is φ = 4543942.

The previous prime is 4543937. The next prime is 4543961. The reversal of 4543943 is 3493454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4543943 - 2⁴ = 4543927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4543963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271971 + 2271972.

It is an arithmetic number, because the mean of its divisors is an integer number (2271972).

Almost surely, 2^4543943 is an apocalyptic number.

4543943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4543943 is an equidigital number, since it uses as much as digits as its factorization.

4543943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 4543943 is about 2131.6526452497. The cubic root of 4543943 is about 165.6320174077.

The spelling of 4543943 in words is "four million, five hundred forty-three thousand, nine hundred forty-three".