543321441 has 24 divisors (see below), whose sum is σ = 849581096. Its totient is φ = 332605440.

The previous prime is 543321439. The next prime is 543321481. The reversal of 543321441 is 144123345.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88736400 + 454585041 = 9420^2 + 21321^2 .

It is not a de Polignac number, because 543321441 - 2¹ = 543321439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543321481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10551 + ... + 34611.

Almost surely, 2^543321441 is an apocalyptic number.

It is an amenable number.

543321441 is a deficient number, since it is larger than the sum of its proper divisors (306259655).

543321441 is a wasteful number, since it uses less digits than its factorization.

543321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24273 (or 24270 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 543321441 is about 23309.2565518508. The cubic root of 543321441 is about 815.9914620286.

Adding to 543321441 its reverse (144123345), we get a palindrome (687444786).

The spelling of 543321441 in words is "five hundred forty-three million, three hundred twenty-one thousand, four hundred forty-one".