516343 has 4 divisors (see below), whose sum is σ = 522648. Its totient is φ = 510040.

The previous prime is 516323. The next prime is 516349. The reversal of 516343 is 343615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516343 is a prime.

It is a super-2 number, since 2×516343² = 533220187298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (130662).

2⁵¹⁶³⁴³ is an apocalyptic number.

516343 is a deficient number, since it is larger than the sum of its proper divisors (6305).

516343 is an equidigital number, since it uses as much as digits as its factorization.

516343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304.

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

The square root of 516343 is about 718.5701079227. The cubic root of 516343 is about 80.2255613449.

Adding to 516343 its reverse (343615), we get a palindrome (859958).

The spelling of 516343 in words is "five hundred sixteen thousand, three hundred forty-three".