530505320 has 16 divisors (see below), whose sum is σ = 1193637060. Its totient is φ = 212202112.

The previous prime is 530505307. The next prime is 530505331. The reversal of 530505320 is 23505035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 499880164 + 30625156 = 22358^2 + 5534^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6631277 + ... + 6631356.

Almost surely, 2^530505320 is an apocalyptic number.

It is an amenable number.

530505320 is an abundant number, since it is smaller than the sum of its proper divisors (663131740).

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

530505320 is a wasteful number, since it uses less digits than its factorization.

530505320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13262644 (or 13262640 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 530505320 is about 23032.7011008262. The cubic root of 530505320 is about 809.5243460490.

The spelling of 530505320 in words is "five hundred thirty million, five hundred five thousand, three hundred twenty".