1153563 has 8 divisors (see below), whose sum is σ = 1544208. Its totient is φ = 765984.

The previous prime is 1153553. The next prime is 1153573. The reversal of 1153563 is 3653511.

It is an interprime number because it is at equal distance from previous prime (1153553) and next prime (1153573).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1153563 - 2⁵ = 1153531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (193026).

2^1153563 is an apocalyptic number.

1153563 is a deficient number, since it is larger than the sum of its proper divisors (390645).

1153563 is a wasteful number, since it uses less digits than its factorization.

1153563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 1350, while the sum is 24.

The square root of 1153563 is about 1074.0405020296. The cubic root of 1153563 is about 104.8770442828.

The spelling of 1153563 in words is "one million, one hundred fifty-three thousand, five hundred sixty-three".