520005322 has 8 divisors (see below), whose sum is σ = 806904900. Its totient is φ = 251037024.

The previous prime is 520005271. The next prime is 520005329. The reversal of 520005322 is 223500025.

It can be written as a sum of positive squares in 2 ways, for example, as 515335401 + 4669921 = 22701^2 + 2161^2 .

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

It is a super-3 number, since 3×520005322³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520005322.

It is not an unprimeable number, because it can be changed into a prime (520005329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4482747 + ... + 4482862.

Almost surely, 2^520005322 is an apocalyptic number.

520005322 is a deficient number, since it is larger than the sum of its proper divisors (286899578).

520005322 is a wasteful number, since it uses less digits than its factorization.

520005322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965640.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 520005322 is about 22803.6251942537. The cubic root of 520005322 is about 804.1478950806.

Adding to 520005322 its reverse (223500025), we get a palindrome (743505347).

The spelling of 520005322 in words is "five hundred twenty million, five thousand, three hundred twenty-two".