1133563 has 4 divisors (see below), whose sum is σ = 1152208. Its totient is φ = 1114920.

The previous prime is 1133551. The next prime is 1133579. The reversal of 1133563 is 3653311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3653311 = 97 ⋅37663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9231 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (288052).

2^1133563 is an apocalyptic number.

1133563 is a deficient number, since it is larger than the sum of its proper divisors (18645).

1133563 is an equidigital number, since it uses as much as digits as its factorization.

1133563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644.

The product of its digits is 810, while the sum is 22.

The square root of 1133563 is about 1064.6891565147. The cubic root of 1133563 is about 104.2674023553.

Adding to 1133563 its reverse (3653311), we get a palindrome (4786874).

The spelling of 1133563 in words is "one million, one hundred thirty-three thousand, five hundred sixty-three".