522871217 has 16 divisors (see below), whose sum is σ = 579502080. Its totient is φ = 467797200.

The previous prime is 522871207. The next prime is 522871231. The reversal of 522871217 is 712178225.

It is a cyclic number.

It is not a de Polignac number, because 522871217 - 2⁴ = 522871201 is a prime.

It is a super-2 number, since 2×522871217² = 546788619134122178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522871207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332042 + ... + 333612.

It is an arithmetic number, because the mean of its divisors is an integer number (36218880).

Almost surely, 2^522871217 is an apocalyptic number.

It is an amenable number.

522871217 is a deficient number, since it is larger than the sum of its proper divisors (56630863).

522871217 is a wasteful number, since it uses less digits than its factorization.

522871217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its digits is 15680, while the sum is 35.

The square root of 522871217 is about 22866.3774350027. The cubic root of 522871217 is about 805.6224842039.

The spelling of 522871217 in words is "five hundred twenty-two million, eight hundred seventy-one thousand, two hundred seventeen".