530322503521 has 4 divisors (see below), whose sum is σ = 535187847700. Its totient is φ = 525457159344.

The previous prime is 530322503507. The next prime is 530322503527. The reversal of 530322503521 is 125305223035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247144202496 + 283178301025 = 497136^2 + 532145^2 .

It is a cyclic number.

It is not a de Polignac number, because 530322503521 - 2¹⁹ = 530321979233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530322503527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432671926 + ... + 2432672143.

It is an arithmetic number, because the mean of its divisors is an integer number (133796961925).

Almost surely, 2^530322503521 is an apocalyptic number.

It is an amenable number.

530322503521 is a deficient number, since it is larger than the sum of its proper divisors (4865344179).

530322503521 is a wasteful number, since it uses less digits than its factorization.

530322503521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865344178.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 530322503521 its reverse (125305223035), we get a palindrome (655627726556).

The spelling of 530322503521 in words is "five hundred thirty billion, three hundred twenty-two million, five hundred three thousand, five hundred twenty-one".