522089549 has 2 divisors, whose sum is σ = 522089550. Its totient is φ = 522089548.

The previous prime is 522089441. The next prime is 522089587. The reversal of 522089549 is 945980225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488100649 + 33988900 = 22093^2 + 5830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522089549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522089149) 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 as a sum of consecutive naturals, namely, 261044774 + 261044775.

It is an arithmetic number, because the mean of its divisors is an integer number (261044775).

Almost surely, 2^522089549 is an apocalyptic number.

It is an amenable number.

522089549 is a deficient number, since it is larger than the sum of its proper divisors (1).

522089549 is an equidigital number, since it uses as much as digits as its factorization.

522089549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 522089549 is about 22849.2789601773. The cubic root of 522089549 is about 805.2208280142.

The spelling of 522089549 in words is "five hundred twenty-two million, eighty-nine thousand, five hundred forty-nine".