530305305 has 16 divisors (see below), whose sum is σ = 857238144. Its totient is φ = 279912960.

The previous prime is 530305267. The next prime is 530305309. The reversal of 530305305 is 503503035.

It is not a de Polignac number, because 530305305 - 2⁶ = 530305241 is a prime.

It is a super-2 number, since 2×530305305² = 562447433022286050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530305309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180781 + ... + 183690.

It is an arithmetic number, because the mean of its divisors is an integer number (53577384).

Almost surely, 2^530305305 is an apocalyptic number.

It is an amenable number.

530305305 is a deficient number, since it is larger than the sum of its proper divisors (326932839).

530305305 is a wasteful number, since it uses less digits than its factorization.

530305305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364576.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 530305305 is about 23028.3587126829. The cubic root of 530305305 is about 809.4225956616.

The spelling of 530305305 in words is "five hundred thirty million, three hundred five thousand, three hundred five".