1153363 has 4 divisors (see below), whose sum is σ = 1155960. Its totient is φ = 1150768.

The previous prime is 1153349. The next prime is 1153367. The reversal of 1153363 is 3633511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1153363 - 2¹⁷ = 1022291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (288990).

2^1153363 is an apocalyptic number.

1153363 is a deficient number, since it is larger than the sum of its proper divisors (2597).

1153363 is an equidigital number, since it uses as much as digits as its factorization.

1153363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

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

The square root of 1153363 is about 1073.9473916352. The cubic root of 1153363 is about 104.8709828826.

Adding to 1153363 its reverse (3633511), we get a palindrome (4786874).

The spelling of 1153363 in words is "one million, one hundred fifty-three thousand, three hundred sixty-three".