543791273 has 2 divisors, whose sum is σ = 543791274. Its totient is φ = 543791272.

The previous prime is 543791251. The next prime is 543791321. The reversal of 543791273 is 372197345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430645504 + 113145769 = 20752^2 + 10637^2 .

It is a cyclic number.

It is not a de Polignac number, because 543791273 - 2¹⁰ = 543790249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 543791273.

It is not a weakly prime, because it can be changed into another prime (543791473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271895636 + 271895637.

It is an arithmetic number, because the mean of its divisors is an integer number (271895637).

Almost surely, 2^543791273 is an apocalyptic number.

It is an amenable number.

543791273 is a deficient number, since it is larger than the sum of its proper divisors (1).

543791273 is an equidigital number, since it uses as much as digits as its factorization.

543791273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 543791273 is about 23319.3326019421. The cubic root of 543791273 is about 816.2266011912.

The spelling of 543791273 in words is "five hundred forty-three million, seven hundred ninety-one thousand, two hundred seventy-three".