530531305321 has 2 divisors, whose sum is σ = 530531305322. Its totient is φ = 530531305320.

The previous prime is 530531305309. The next prime is 530531305333. The reversal of 530531305321 is 123503135035.

It is a balanced prime because it is at equal distance from previous prime (530531305309) and next prime (530531305333).

It can be written as a sum of positive squares in only one way, i.e., 463107470400 + 67423834921 = 680520^2 + 259661^2 .

It is a cyclic number.

It is not a de Polignac number, because 530531305321 - 2¹³ = 530531297129 is a prime.

It is not a weakly prime, because it can be changed into another prime (530531302321) 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, 265265652660 + 265265652661.

It is an arithmetic number, because the mean of its divisors is an integer number (265265652661).

Almost surely, 2^530531305321 is an apocalyptic number.

It is an amenable number.

530531305321 is a deficient number, since it is larger than the sum of its proper divisors (1).

530531305321 is an equidigital number, since it uses as much as digits as its factorization.

530531305321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 530531305321 in words is "five hundred thirty billion, five hundred thirty-one million, three hundred five thousand, three hundred twenty-one".