520350043 has 2 divisors, whose sum is σ = 520350044. Its totient is φ = 520350042.

The previous prime is 520350041. The next prime is 520350071. The reversal of 520350043 is 340053025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520350043 - 2¹ = 520350041 is a prime.

Together with 520350041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 520349996 and 520350023.

It is not a weakly prime, because it can be changed into another prime (520350041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260175021 + 260175022.

It is an arithmetic number, because the mean of its divisors is an integer number (260175022).

Almost surely, 2^520350043 is an apocalyptic number.

520350043 is a deficient number, since it is larger than the sum of its proper divisors (1).

520350043 is an equidigital number, since it uses as much as digits as its factorization.

520350043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 520350043 is about 22811.1824112649. The cubic root of 520350043 is about 804.3255505918.

The spelling of 520350043 in words is "five hundred twenty million, three hundred fifty thousand, forty-three".