530809273 has 2 divisors, whose sum is σ = 530809274. Its totient is φ = 530809272.

The previous prime is 530809271. The next prime is 530809339. The reversal of 530809273 is 372908035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525463929 + 5345344 = 22923^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 530809273 - 2¹ = 530809271 is a prime.

Together with 530809271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (530809271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265404636 + 265404637.

It is an arithmetic number, because the mean of its divisors is an integer number (265404637).

Almost surely, 2^530809273 is an apocalyptic number.

It is an amenable number.

530809273 is a deficient number, since it is larger than the sum of its proper divisors (1).

530809273 is an equidigital number, since it uses as much as digits as its factorization.

530809273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 530809273 is about 23039.2984485205. The cubic root of 530809273 is about 809.6789221775.

The spelling of 530809273 in words is "five hundred thirty million, eight hundred nine thousand, two hundred seventy-three".