543144541 has 2 divisors, whose sum is σ = 543144542. Its totient is φ = 543144540.

The previous prime is 543144529. The next prime is 543144559. The reversal of 543144541 is 145441345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522305316 + 20839225 = 22854^2 + 4565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543144541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543144341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271572270 + 271572271.

It is an arithmetic number, because the mean of its divisors is an integer number (271572271).

Almost surely, 2^543144541 is an apocalyptic number.

It is an amenable number.

543144541 is a deficient number, since it is larger than the sum of its proper divisors (1).

543144541 is an equidigital number, since it uses as much as digits as its factorization.

543144541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 543144541 is about 23305.4616131069. The cubic root of 543144541 is about 815.9028928761.

Adding to 543144541 its reverse (145441345), we get a palindrome (688585886).

The spelling of 543144541 in words is "five hundred forty-three million, one hundred forty-four thousand, five hundred forty-one".