2163263 has 2 divisors, whose sum is σ = 2163264. Its totient is φ = 2163262.

The previous prime is 2163251. The next prime is 2163281. The reversal of 2163263 is 3623612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163263 - 2⁴ = 2163247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081631 + 1081632.

It is an arithmetic number, because the mean of its divisors is an integer number (1081632).

2^2163263 is an apocalyptic number.

2163263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163263 is an equidigital number, since it uses as much as digits as its factorization.

2163263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 2163263 is about 1470.8035218886. The cubic root of 2163263 is about 129.3311405079.

Adding to 2163263 its reverse (3623612), we get a palindrome (5786875).

The spelling of 2163263 in words is "two million, one hundred sixty-three thousand, two hundred sixty-three".