8522521297 has 2 divisors, whose sum is σ = 8522521298. Its totient is φ = 8522521296.

The previous prime is 8522521289. The next prime is 8522521303. The reversal of 8522521297 is 7921252258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8229392656 + 293128641 = 90716^2 + 17121^2 .

It is a cyclic number.

It is not a de Polignac number, because 8522521297 - 2³ = 8522521289 is a prime.

It is not a weakly prime, because it can be changed into another prime (8522501297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4261260648 + 4261260649.

It is an arithmetic number, because the mean of its divisors is an integer number (4261260649).

Almost surely, 2^8522521297 is an apocalyptic number.

It is an amenable number.

8522521297 is a deficient number, since it is larger than the sum of its proper divisors (1).

8522521297 is an equidigital number, since it uses as much as digits as its factorization.

8522521297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 8522521297 is about 92317.5026579467. The cubic root of 8522521297 is about 2042.6283960521.

The spelling of 8522521297 in words is "eight billion, five hundred twenty-two million, five hundred twenty-one thousand, two hundred ninety-seven".