522540097 has 2 divisors, whose sum is σ = 522540098. Its totient is φ = 522540096.

The previous prime is 522540089. The next prime is 522540113. The reversal of 522540097 is 790045225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517835536 + 4704561 = 22756^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 522540097 - 2³ = 522540089 is a prime.

It is not a weakly prime, because it can be changed into another prime (522540017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261270048 + 261270049.

It is an arithmetic number, because the mean of its divisors is an integer number (261270049).

Almost surely, 2^522540097 is an apocalyptic number.

It is an amenable number.

522540097 is a deficient number, since it is larger than the sum of its proper divisors (1).

522540097 is an equidigital number, since it uses as much as digits as its factorization.

522540097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 522540097 is about 22859.1359635486. The cubic root of 522540097 is about 805.4523887526.

The spelling of 522540097 in words is "five hundred twenty-two million, five hundred forty thousand, ninety-seven".