543240213 has 4 divisors (see below), whose sum is σ = 724320288. Its totient is φ = 362160140.

The previous prime is 543240193. The next prime is 543240223. The reversal of 543240213 is 312042345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 543240213 - 2⁶ = 543240149 is a prime.

It is a super-4 number, since 4×543240213⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543240223) 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, 90540033 + ... + 90540038.

It is an arithmetic number, because the mean of its divisors is an integer number (181080072).

Almost surely, 2^543240213 is an apocalyptic number.

It is an amenable number.

543240213 is a deficient number, since it is larger than the sum of its proper divisors (181080075).

543240213 is a wasteful number, since it uses less digits than its factorization.

543240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181080074.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 543240213 is about 23307.5140888084. The cubic root of 543240213 is about 815.9507957043.

Adding to 543240213 its reverse (312042345), we get a palindrome (855282558).

The spelling of 543240213 in words is "five hundred forty-three million, two hundred forty thousand, two hundred thirteen".