522861863 has 4 divisors (see below), whose sum is σ = 523064880. Its totient is φ = 522658848.

The previous prime is 522861853. The next prime is 522861869. The reversal of 522861863 is 368168225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522861863 - 2⁶ = 522861799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522861863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522861869) 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 3 ways as a sum of consecutive naturals, for example, 97595 + ... + 102812.

It is an arithmetic number, because the mean of its divisors is an integer number (130766220).

Almost surely, 2^522861863 is an apocalyptic number.

522861863 is a deficient number, since it is larger than the sum of its proper divisors (203017).

522861863 is a wasteful number, since it uses less digits than its factorization.

522861863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203016.

The product of its digits is 138240, while the sum is 41.

The square root of 522861863 is about 22866.1728979731. The cubic root of 522861863 is about 805.6176800651.

The spelling of 522861863 in words is "five hundred twenty-two million, eight hundred sixty-one thousand, eight hundred sixty-three".