3020530243 has 2 divisors, whose sum is σ = 3020530244. Its totient is φ = 3020530242.

The previous prime is 3020530231. The next prime is 3020530259. The reversal of 3020530243 is 3420350203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3020530243 - 2²⁵ = 2986975811 is a prime.

It is not a weakly prime, because it can be changed into another prime (3020530943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510265121 + 1510265122.

It is an arithmetic number, because the mean of its divisors is an integer number (1510265122).

Almost surely, 2^3020530243 is an apocalyptic number.

3020530243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020530243 is an equidigital number, since it uses as much as digits as its factorization.

3020530243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 3020530243 is about 54959.3508240409. The cubic root of 3020530243 is about 1445.5320642942.

Adding to 3020530243 its reverse (3420350203), we get a palindrome (6440880446).

The spelling of 3020530243 in words is "three billion, twenty million, five hundred thirty thousand, two hundred forty-three".