530301209 has 2 divisors, whose sum is σ = 530301210. Its totient is φ = 530301208.

The previous prime is 530301197. The next prime is 530301287. The reversal of 530301209 is 902103035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463110400 + 67190809 = 21520^2 + 8197^2 .

It is a cyclic number.

It is not a de Polignac number, because 530301209 - 2²⁸ = 261865753 is a prime.

It is not a weakly prime, because it can be changed into another prime (530301509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265150604 + 265150605.

It is an arithmetic number, because the mean of its divisors is an integer number (265150605).

Almost surely, 2^530301209 is an apocalyptic number.

It is an amenable number.

530301209 is a deficient number, since it is larger than the sum of its proper divisors (1).

530301209 is an equidigital number, since it uses as much as digits as its factorization.

530301209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 530301209 is about 23028.2697786872. The cubic root of 530301209 is about 809.4205117027.

The spelling of 530301209 in words is "five hundred thirty million, three hundred one thousand, two hundred nine".