520516473 has 8 divisors (see below), whose sum is σ = 724196928. Its totient is φ = 331923504.

The previous prime is 520516471. The next prime is 520516487. The reversal of 520516473 is 374615025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520516473 - 2¹ = 520516471 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520516471) 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, 3771790 + ... + 3771927.

It is an arithmetic number, because the mean of its divisors is an integer number (90524616).

Almost surely, 2^520516473 is an apocalyptic number.

It is an amenable number.

520516473 is a deficient number, since it is larger than the sum of its proper divisors (203680455).

520516473 is a wasteful number, since it uses less digits than its factorization.

520516473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543743.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 520516473 is about 22814.8301111360. The cubic root of 520516473 is about 804.4112939191.

The spelling of 520516473 in words is "five hundred twenty million, five hundred sixteen thousand, four hundred seventy-three".