522321097 has 2 divisors, whose sum is σ = 522321098. Its totient is φ = 522321096.

The previous prime is 522321091. The next prime is 522321103. The reversal of 522321097 is 790123225.

It is a balanced prime because it is at equal distance from previous prime (522321091) and next prime (522321103).

It can be written as a sum of positive squares in only one way, i.e., 431766841 + 90554256 = 20779^2 + 9516^2 .

It is a cyclic number.

It is not a de Polignac number, because 522321097 - 2³ = 522321089 is a prime.

It is not a weakly prime, because it can be changed into another prime (522321091) 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, 261160548 + 261160549.

It is an arithmetic number, because the mean of its divisors is an integer number (261160549).

Almost surely, 2^522321097 is an apocalyptic number.

It is an amenable number.

522321097 is a deficient number, since it is larger than the sum of its proper divisors (1).

522321097 is an equidigital number, since it uses as much as digits as its factorization.

522321097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 522321097 is about 22854.3452542399. The cubic root of 522321097 is about 805.3398495602.

The spelling of 522321097 in words is "five hundred twenty-two million, three hundred twenty-one thousand, ninety-seven".