543345317 has 2 divisors, whose sum is σ = 543345318. Its totient is φ = 543345316.

The previous prime is 543345311. The next prime is 543345329. The reversal of 543345317 is 713543345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306985441 + 236359876 = 17521^2 + 15374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543345317 is a prime.

It is equal to p_28514456 and since 543345317 and 28514456 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543345311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271672658 + 271672659.

It is an arithmetic number, because the mean of its divisors is an integer number (271672659).

Almost surely, 2^543345317 is an apocalyptic number.

It is an amenable number.

543345317 is a deficient number, since it is larger than the sum of its proper divisors (1).

543345317 is an equidigital number, since it uses as much as digits as its factorization.

543345317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 543345317 is about 23309.7687032712. The cubic root of 543345317 is about 816.0034146379.

The spelling of 543345317 in words is "five hundred forty-three million, three hundred forty-five thousand, three hundred seventeen".