541043443 has 2 divisors, whose sum is σ = 541043444. Its totient is φ = 541043442.

The previous prime is 541043423. The next prime is 541043471. The reversal of 541043443 is 344340145.

It is an a-pointer prime, because the next prime (541043471) can be obtained adding 541043443 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541043443 is a prime.

It is not a weakly prime, because it can be changed into another prime (541043423) 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, 270521721 + 270521722.

It is an arithmetic number, because the mean of its divisors is an integer number (270521722).

Almost surely, 2^541043443 is an apocalyptic number.

541043443 is a deficient number, since it is larger than the sum of its proper divisors (1).

541043443 is an equidigital number, since it uses as much as digits as its factorization.

541043443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 541043443 is about 23260.3405607055. The cubic root of 541043443 is about 814.8494549238.

Adding to 541043443 its reverse (344340145), we get a palindrome (885383588).

The spelling of 541043443 in words is "five hundred forty-one million, forty-three thousand, four hundred forty-three".