4320543 has 16 divisors (see below), whose sum is σ = 6108800. Its totient is φ = 2708640.

The previous prime is 4320529. The next prime is 4320559. The reversal of 4320543 is 3450234.

It is a happy number.

It is not a de Polignac number, because 4320543 - 2⁶ = 4320479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12888 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (381800).

Almost surely, 2^4320543 is an apocalyptic number.

4320543 is a deficient number, since it is larger than the sum of its proper divisors (1788257).

4320543 is a wasteful number, since it uses less digits than its factorization.

4320543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 4320543 is about 2078.5915904766. The cubic root of 4320543 is about 162.8718804541.

Adding to 4320543 its reverse (3450234), we get a palindrome (7770777).

The spelling of 4320543 in words is "four million, three hundred twenty thousand, five hundred forty-three".