530441309 has 2 divisors, whose sum is σ = 530441310. Its totient is φ = 530441308.

The previous prime is 530441269. The next prime is 530441311. The reversal of 530441309 is 903144035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331349209 + 199092100 = 18203^2 + 14110^2 .

It is a cyclic number.

It is not a de Polignac number, because 530441309 - 2⁸ = 530441053 is a prime.

It is a Sophie Germain prime.

Together with 530441311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530441339) by changing a digit.

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 as a sum of consecutive naturals, namely, 265220654 + 265220655.

It is an arithmetic number, because the mean of its divisors is an integer number (265220655).

Almost surely, 2^530441309 is an apocalyptic number.

It is an amenable number.

530441309 is a deficient number, since it is larger than the sum of its proper divisors (1).

530441309 is an equidigital number, since it uses as much as digits as its factorization.

530441309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 530441309 is about 23031.3114910984. The cubic root of 530441309 is about 809.4917855541.

The spelling of 530441309 in words is "five hundred thirty million, four hundred forty-one thousand, three hundred nine".