543242341 has 2 divisors, whose sum is σ = 543242342. Its totient is φ = 543242340.

The previous prime is 543242213. The next prime is 543242347. The reversal of 543242341 is 143242345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513974241 + 29268100 = 22671^2 + 5410^2 .

It is a cyclic number.

It is not a de Polignac number, because 543242341 - 2⁷ = 543242213 is a prime.

It is a super-2 number, since 2×543242341² = 590224482110320562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543242347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271621170 + 271621171.

It is an arithmetic number, because the mean of its divisors is an integer number (271621171).

Almost surely, 2^543242341 is an apocalyptic number.

It is an amenable number.

543242341 is a deficient number, since it is larger than the sum of its proper divisors (1).

543242341 is an equidigital number, since it uses as much as digits as its factorization.

543242341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 28.

The square root of 543242341 is about 23307.5597392777. The cubic root of 543242341 is about 815.9518611267.

Adding to 543242341 its reverse (143242345), we get a palindrome (686484686).

It can be divided in two parts, 54324 and 2341, that added together give a palindrome (56665).

The spelling of 543242341 in words is "five hundred forty-three million, two hundred forty-two thousand, three hundred forty-one".