522852885 has 12 divisors (see below), whose sum is σ = 906278412. Its totient is φ = 278854848.

The previous prime is 522852881. The next prime is 522852893. The reversal of 522852885 is 588258225.

It can be written as a sum of positive squares in 2 ways, for example, as 409941009 + 112911876 = 20247^2 + 10626^2 .

It is not a de Polignac number, because 522852885 - 2² = 522852881 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 11618953 = 522852885 / (5 + 2 + 2 + 8 + 5 + 2 + 8 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 522852885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522852881) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5809432 + ... + 5809521.

It is an arithmetic number, because the mean of its divisors is an integer number (75523201).

Almost surely, 2^522852885 is an apocalyptic number.

It is an amenable number.

522852885 is a deficient number, since it is larger than the sum of its proper divisors (383425527).

522852885 is a wasteful number, since it uses less digits than its factorization.

522852885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11618964 (or 11618961 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 522852885 is about 22865.9765809379. The cubic root of 522852885 is about 805.6130689830.

The spelling of 522852885 in words is "five hundred twenty-two million, eight hundred fifty-two thousand, eight hundred eighty-five".