4243204261 has 2 divisors, whose sum is σ = 4243204262. Its totient is φ = 4243204260.

The previous prime is 4243204253. The next prime is 4243204291. The reversal of 4243204261 is 1624023424.

4243204261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3636813636 + 606390625 = 60306^2 + 24625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243204261 - 2³ = 4243204253 is a prime.

It is a super-2 number, since 2×4243204261² = 36009564801137112242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243204291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121602130 + 2121602131.

It is an arithmetic number, because the mean of its divisors is an integer number (2121602131).

Almost surely, 2^4243204261 is an apocalyptic number.

It is an amenable number.

4243204261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243204261 is an equidigital number, since it uses as much as digits as its factorization.

4243204261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 4243204261 is about 65139.8822611770. The cubic root of 4243204261 is about 1618.9420849144.

Adding to 4243204261 its reverse (1624023424), we get a palindrome (5867227685).

The spelling of 4243204261 in words is "four billion, two hundred forty-three million, two hundred four thousand, two hundred sixty-one".