520520167 has 2 divisors, whose sum is σ = 520520168. Its totient is φ = 520520166.

The previous prime is 520520087. The next prime is 520520207. The reversal of 520520167 is 761025025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520520167 - 2²³ = 512131559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520524167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260260083 + 260260084.

It is an arithmetic number, because the mean of its divisors is an integer number (260260084).

Almost surely, 2^520520167 is an apocalyptic number.

520520167 is a deficient number, since it is larger than the sum of its proper divisors (1).

520520167 is an equidigital number, since it uses as much as digits as its factorization.

520520167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 520520167 is about 22814.9110671070. The cubic root of 520520167 is about 804.4131968293.

The spelling of 520520167 in words is "five hundred twenty million, five hundred twenty thousand, one hundred sixty-seven".