530305312 has 24 divisors (see below), whose sum is σ = 1072258236. Its totient is φ = 257985792.

The previous prime is 530305309. The next prime is 530305351. The reversal of 530305312 is 213503035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 499790736 + 30514576 = 22356^2 + 5524^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222763 + ... + 225130.

Almost surely, 2^530305312 is an apocalyptic number.

It is an amenable number.

530305312 is an abundant number, since it is smaller than the sum of its proper divisors (541952924).

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

530305312 is a wasteful number, since it uses less digits than its factorization.

530305312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447940 (or 447932 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 530305312 is about 23028.3588646694. The cubic root of 530305312 is about 809.4225992231.

Adding to 530305312 its reverse (213503035), we get a palindrome (743808347).

The spelling of 530305312 in words is "five hundred thirty million, three hundred five thousand, three hundred twelve".