530563361521 has 2 divisors, whose sum is σ = 530563361522. Its totient is φ = 530563361520.

The previous prime is 530563361509. The next prime is 530563361527. The reversal of 530563361521 is 125163365035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481234951521 + 49328410000 = 693711^2 + 222100^2 .

It is a cyclic number.

It is not a de Polignac number, because 530563361521 - 2¹³ = 530563353329 is a prime.

It is not a weakly prime, because it can be changed into another prime (530563361527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265281680760 + 265281680761.

It is an arithmetic number, because the mean of its divisors is an integer number (265281680761).

Almost surely, 2^530563361521 is an apocalyptic number.

It is an amenable number.

530563361521 is a deficient number, since it is larger than the sum of its proper divisors (1).

530563361521 is an equidigital number, since it uses as much as digits as its factorization.

530563361521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 530563361521 in words is "five hundred thirty billion, five hundred sixty-three million, three hundred sixty-one thousand, five hundred twenty-one".