520313071 has 2 divisors, whose sum is σ = 520313072. Its totient is φ = 520313070.

The previous prime is 520313069. The next prime is 520313111. The reversal of 520313071 is 170313025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520313071 - 2¹ = 520313069 is a prime.

Together with 520313069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520313011) 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, 260156535 + 260156536.

It is an arithmetic number, because the mean of its divisors is an integer number (260156536).

Almost surely, 2^520313071 is an apocalyptic number.

520313071 is a deficient number, since it is larger than the sum of its proper divisors (1).

520313071 is an equidigital number, since it uses as much as digits as its factorization.

520313071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 520313071 is about 22810.3720048578. The cubic root of 520313071 is about 804.3065004485.

Adding to 520313071 its reverse (170313025), we get a palindrome (690626096).

The spelling of 520313071 in words is "five hundred twenty million, three hundred thirteen thousand, seventy-one".