543959441 has 2 divisors, whose sum is σ = 543959442. Its totient is φ = 543959440.

The previous prime is 543959389. The next prime is 543959443. The reversal of 543959441 is 144959345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488233216 + 55726225 = 22096^2 + 7465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543959441 is a prime.

Together with 543959443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 543959392 and 543959401.

It is not a weakly prime, because it can be changed into another prime (543959443) 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, 271979720 + 271979721.

It is an arithmetic number, because the mean of its divisors is an integer number (271979721).

Almost surely, 2^543959441 is an apocalyptic number.

It is an amenable number.

543959441 is a deficient number, since it is larger than the sum of its proper divisors (1).

543959441 is an equidigital number, since it uses as much as digits as its factorization.

543959441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 543959441 is about 23322.9380867849. The cubic root of 543959441 is about 816.3107321526.

It can be divided in two parts, 54395 and 9441, that added together give a palindrome (63836).

The spelling of 543959441 in words is "five hundred forty-three million, nine hundred fifty-nine thousand, four hundred forty-one".