520662017 has 8 divisors (see below), whose sum is σ = 555935424. Its totient is φ = 486441648.

The previous prime is 520662001. The next prime is 520662031. The reversal of 520662017 is 710266025.

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 520662017 - 2⁴ = 520662001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520662047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262238 + ... + 264215.

It is an arithmetic number, because the mean of its divisors is an integer number (69491928).

Almost surely, 2^520662017 is an apocalyptic number.

It is an amenable number.

520662017 is a deficient number, since it is larger than the sum of its proper divisors (35273407).

520662017 is a wasteful number, since it uses less digits than its factorization.

520662017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526519.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 520662017 is about 22818.0195678766. The cubic root of 520662017 is about 804.4862619768.

The spelling of 520662017 in words is "five hundred twenty million, six hundred sixty-two thousand, seventeen".