520008197 has 8 divisors (see below), whose sum is σ = 527101344. Its totient is φ = 512934928.

The previous prime is 520008157. The next prime is 520008227. The reversal of 520008197 is 791800025.

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 520008197 - 2²⁰ = 518959621 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 (520008157) 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 in 7 ways as a sum of consecutive naturals, for example, 52103 + ... + 61275.

It is an arithmetic number, because the mean of its divisors is an integer number (65887668).

Almost surely, 2^520008197 is an apocalyptic number.

It is an amenable number.

520008197 is a deficient number, since it is larger than the sum of its proper divisors (7093147).

520008197 is an equidigital number, since it uses as much as digits as its factorization.

520008197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 520008197 is about 22803.6882323891. The cubic root of 520008197 is about 804.1493770660.

The spelling of 520008197 in words is "five hundred twenty million, eight thousand, one hundred ninety-seven".