516000343 has 2 divisors, whose sum is σ = 516000344. Its totient is φ = 516000342.

The previous prime is 516000323. The next prime is 516000349. The reversal of 516000343 is 343000615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516000343 - 2⁵ = 516000311 is a prime.

It is a super-2 number, since 2×516000343² = 532512707952235298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516000349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258000171 + 258000172.

It is an arithmetic number, because the mean of its divisors is an integer number (258000172).

Almost surely, 2^516000343 is an apocalyptic number.

516000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

516000343 is an equidigital number, since it uses as much as digits as its factorization.

516000343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 516000343 is about 22715.6409330664. The cubic root of 516000343 is about 802.0781091330.

Adding to 516000343 its reverse (343000615), we get a palindrome (859000958).

The spelling of 516000343 in words is "five hundred sixteen million, three hundred forty-three", and thus it is an aban number.