4263005321 has 2 divisors, whose sum is σ = 4263005322. Its totient is φ = 4263005320.

The previous prime is 4263005237. The next prime is 4263005353. The reversal of 4263005321 is 1235003624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3895132921 + 367872400 = 62411^2 + 19180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4263005321 - 2¹⁰ = 4263004297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4263005371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131502660 + 2131502661.

It is an arithmetic number, because the mean of its divisors is an integer number (2131502661).

Almost surely, 2^4263005321 is an apocalyptic number.

It is an amenable number.

4263005321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4263005321 is an equidigital number, since it uses as much as digits as its factorization.

4263005321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4263005321 is about 65291.6941195433. The cubic root of 4263005321 is about 1621.4564609684.

Adding to 4263005321 its reverse (1235003624), we get a palindrome (5498008945).

The spelling of 4263005321 in words is "four billion, two hundred sixty-three million, five thousand, three hundred twenty-one".