520285163 has 2 divisors, whose sum is σ = 520285164. Its totient is φ = 520285162.

The previous prime is 520285111. The next prime is 520285169. The reversal of 520285163 is 361582025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520285163 - 2²⁸ = 251849707 is a prime.

It is not a weakly prime, because it can be changed into another prime (520285169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260142581 + 260142582.

It is an arithmetic number, because the mean of its divisors is an integer number (260142582).

Almost surely, 2^520285163 is an apocalyptic number.

520285163 is a deficient number, since it is larger than the sum of its proper divisors (1).

520285163 is an equidigital number, since it uses as much as digits as its factorization.

520285163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 520285163 is about 22809.7602573986. The cubic root of 520285163 is about 804.2921200121.

The spelling of 520285163 in words is "five hundred twenty million, two hundred eighty-five thousand, one hundred sixty-three".