530213239 has 2 divisors, whose sum is σ = 530213240. Its totient is φ = 530213238.

The previous prime is 530213237. The next prime is 530213261. The reversal of 530213239 is 932312035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530213239 - 2¹ = 530213237 is a prime.

It is a super-2 number, since 2×530213239² = 562252157621742242, which contains 22 as substring.

Together with 530213237, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530213231) 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, 265106619 + 265106620.

It is an arithmetic number, because the mean of its divisors is an integer number (265106620).

Almost surely, 2^530213239 is an apocalyptic number.

530213239 is a deficient number, since it is larger than the sum of its proper divisors (1).

530213239 is an equidigital number, since it uses as much as digits as its factorization.

530213239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 530213239 is about 23026.3596558379. The cubic root of 530213239 is about 809.3757518197.

The spelling of 530213239 in words is "five hundred thirty million, two hundred thirteen thousand, two hundred thirty-nine".