522530425083809 has 2 divisors, whose sum is σ = 522530425083810. Its totient is φ = 522530425083808.

The previous prime is 522530425083787. The next prime is 522530425083811. The reversal of 522530425083809 is 908380524035225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395902666673809 + 126627758410000 = 19897303^2 + 11252900^2 .

It is a cyclic number.

It is not a de Polignac number, because 522530425083809 - 2³² = 522526130116513 is a prime.

It is a super-2 number, since 2×522530425083809² (a number of 30 digits) contains 22 as substring.

Together with 522530425083811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522530425083859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261265212541904 + 261265212541905.

It is an arithmetic number, because the mean of its divisors is an integer number (261265212541905).

Almost surely, 2^{522530425083809} is an apocalyptic number.

It is an amenable number.

522530425083809 is a deficient number, since it is larger than the sum of its proper divisors (1).

522530425083809 is an equidigital number, since it uses as much as digits as its factorization.

522530425083809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 522530425083809 in words is "five hundred twenty-two trillion, five hundred thirty billion, four hundred twenty-five million, eighty-three thousand, eight hundred nine".