530273243 has 2 divisors, whose sum is σ = 530273244. Its totient is φ = 530273242.

The previous prime is 530273239. The next prime is 530273267. The reversal of 530273243 is 342372035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530273243 - 2² = 530273239 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530273273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265136621 + 265136622.

It is an arithmetic number, because the mean of its divisors is an integer number (265136622).

Almost surely, 2^530273243 is an apocalyptic number.

530273243 is a deficient number, since it is larger than the sum of its proper divisors (1).

530273243 is an equidigital number, since it uses as much as digits as its factorization.

530273243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 530273243 is about 23027.6625604945. The cubic root of 530273243 is about 809.4062829011.

The spelling of 530273243 in words is "five hundred thirty million, two hundred seventy-three thousand, two hundred forty-three".