520843343 has 8 divisors (see below), whose sum is σ = 532561008. Its totient is φ = 509255424.

The previous prime is 520843321. The next prime is 520843361. The reversal of 520843343 is 343348025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520843343 - 2¹⁴ = 520826959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520843643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24296 + ... + 40397.

It is an arithmetic number, because the mean of its divisors is an integer number (66570126).

Almost surely, 2^520843343 is an apocalyptic number.

520843343 is a deficient number, since it is larger than the sum of its proper divisors (11717665).

520843343 is an equidigital number, since it uses as much as digits as its factorization.

520843343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64873.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 520843343 is about 22821.9925291373. The cubic root of 520843343 is about 804.5796413927.

The spelling of 520843343 in words is "five hundred twenty million, eight hundred forty-three thousand, three hundred forty-three".