543319057 has 2 divisors, whose sum is σ = 543319058. Its totient is φ = 543319056.

The previous prime is 543319043. The next prime is 543319171. The reversal of 543319057 is 750913345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487129041 + 56190016 = 22071^2 + 7496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543319057 is a prime.

It is not a weakly prime, because it can be changed into another prime (543319027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271659528 + 271659529.

It is an arithmetic number, because the mean of its divisors is an integer number (271659529).

Almost surely, 2^543319057 is an apocalyptic number.

It is an amenable number.

543319057 is a deficient number, since it is larger than the sum of its proper divisors (1).

543319057 is an equidigital number, since it uses as much as digits as its factorization.

543319057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 543319057 is about 23309.2054133126. The cubic root of 543319057 is about 815.9902685506.

It can be divided in two parts, 543 and 319057, that added together give a triangular number (319600 = T₇₉₉).

The spelling of 543319057 in words is "five hundred forty-three million, three hundred nineteen thousand, fifty-seven".