1163263 has 2 divisors, whose sum is σ = 1163264. Its totient is φ = 1163262.

The previous prime is 1163257. The next prime is 1163273. The reversal of 1163263 is 3623611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163263 - 2⁵ = 1163231 is a prime.

1163263 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163233) 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, 581631 + 581632.

It is an arithmetic number, because the mean of its divisors is an integer number (581632).

2^1163263 is an apocalyptic number.

1163263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163263 is an equidigital number, since it uses as much as digits as its factorization.

1163263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 1163263 is about 1078.5467073799. The cubic root of 1163263 is about 105.1701850865.

Adding to 1163263 its reverse (3623611), we get a palindrome (4786874).

The spelling of 1163263 in words is "one million, one hundred sixty-three thousand, two hundred sixty-three".