324540043 has 4 divisors (see below), whose sum is σ = 328450248. Its totient is φ = 320629840.

The previous prime is 324540037. The next prime is 324540053. The reversal of 324540043 is 340045423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340045423 = 47 ⋅7235009.

It is a cyclic number.

It is not a de Polignac number, because 324540043 - 2⁵ = 324540011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324540053) 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 3 ways as a sum of consecutive naturals, for example, 1954978 + ... + 1955143.

It is an arithmetic number, because the mean of its divisors is an integer number (82112562).

Almost surely, 2^324540043 is an apocalyptic number.

324540043 is a deficient number, since it is larger than the sum of its proper divisors (3910205).

324540043 is an equidigital number, since it uses as much as digits as its factorization.

324540043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910204.

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

The square root of 324540043 is about 18014.9949486532. The cubic root of 324540043 is about 687.2099355088.

Adding to 324540043 its reverse (340045423), we get a palindrome (664585466).

The spelling of 324540043 in words is "three hundred twenty-four million, five hundred forty thousand, forty-three".