530323221252 has 96 divisors (see below), whose sum is σ = 1356952181760. Its totient is φ = 159868010880.

The previous prime is 530323221199. The next prime is 530323221277. The reversal of 530323221252 is 252122323035.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22887649 + ... + 22910807.

It is an arithmetic number, because the mean of its divisors is an integer number (14134918560).

Almost surely, 2^530323221252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530323221252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678476090880).

530323221252 is an abundant number, since it is smaller than the sum of its proper divisors (826628960508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530323221252 is a wasteful number, since it uses less digits than its factorization.

530323221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24073 (or 24071 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 530323221252 its reverse (252122323035), we get a palindrome (782445544287).

The spelling of 530323221252 in words is "five hundred thirty billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred fifty-two".