530402323221 has 12 divisors (see below), whose sum is σ = 766341971148. Its totient is φ = 353506803264.

The previous prime is 530402323219. The next prime is 530402323267. The reversal of 530402323221 is 122323204035.

530402323221 is a `hidden beast` number, since 5 + 3 + 0 + 402 + 3 + 232 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89487731025 + 440914592196 = 299145^2 + 664014^2 .

It is not a de Polignac number, because 530402323221 - 2¹ = 530402323219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530402323201) 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 in 11 ways as a sum of consecutive naturals, for example, 7860000 + ... + 7927193.

It is an arithmetic number, because the mean of its divisors is an integer number (63861830929).

Almost surely, 2^530402323221 is an apocalyptic number.

It is an amenable number.

530402323221 is a deficient number, since it is larger than the sum of its proper divisors (235939647927).

530402323221 is a wasteful number, since it uses less digits than its factorization.

530402323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15790932 (or 15790929 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 530402323221 its reverse (122323204035), we get a palindrome (652725527256).

The spelling of 530402323221 in words is "five hundred thirty billion, four hundred two million, three hundred twenty-three thousand, two hundred twenty-one".