522523262489 has 2 divisors, whose sum is σ = 522523262490. Its totient is φ = 522523262488.

The previous prime is 522523262473. The next prime is 522523262509. The reversal of 522523262489 is 984262325225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487958131600 + 34565130889 = 698540^2 + 185917^2 .

It is a cyclic number.

It is not a de Polignac number, because 522523262489 - 2⁴ = 522523262473 is a prime.

It is not a weakly prime, because it can be changed into another prime (522523261489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261261631244 + 261261631245.

It is an arithmetic number, because the mean of its divisors is an integer number (261261631245).

Almost surely, 2^522523262489 is an apocalyptic number.

It is an amenable number.

522523262489 is a deficient number, since it is larger than the sum of its proper divisors (1).

522523262489 is an equidigital number, since it uses as much as digits as its factorization.

522523262489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 50.

The spelling of 522523262489 in words is "five hundred twenty-two billion, five hundred twenty-three million, two hundred sixty-two thousand, four hundred eighty-nine".