522889243 has 2 divisors, whose sum is σ = 522889244. Its totient is φ = 522889242.

The previous prime is 522889207. The next prime is 522889259. The reversal of 522889243 is 342988225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522889243 - 2⁹ = 522888731 is a prime.

It is a super-2 number, since 2×522889243² = 546826320890226098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522889243.

It is not a weakly prime, because it can be changed into another prime (522889943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261444621 + 261444622.

It is an arithmetic number, because the mean of its divisors is an integer number (261444622).

Almost surely, 2^522889243 is an apocalyptic number.

522889243 is a deficient number, since it is larger than the sum of its proper divisors (1).

522889243 is an equidigital number, since it uses as much as digits as its factorization.

522889243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 522889243 is about 22866.7715911101. The cubic root of 522889243 is about 805.6317420502.

The spelling of 522889243 in words is "five hundred twenty-two million, eight hundred eighty-nine thousand, two hundred forty-three".