543514421 has 2 divisors, whose sum is σ = 543514422. Its totient is φ = 543514420.

The previous prime is 543514393. The next prime is 543514427. The reversal of 543514421 is 124415345.

543514421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506475025 + 37039396 = 22505^2 + 6086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543514421 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543514427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271757210 + 271757211.

It is an arithmetic number, because the mean of its divisors is an integer number (271757211).

Almost surely, 2^543514421 is an apocalyptic number.

It is an amenable number.

543514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

543514421 is an equidigital number, since it uses as much as digits as its factorization.

543514421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 543514421 is about 23313.3957415045. The cubic root of 543514421 is about 816.0880600891.

Adding to 543514421 its reverse (124415345), we get a palindrome (667929766).

The spelling of 543514421 in words is "five hundred forty-three million, five hundred fourteen thousand, four hundred twenty-one".