1083440563 has 4 divisors (see below), whose sum is σ = 1086026760. Its totient is φ = 1080854368.

The previous prime is 1083440557. The next prime is 1083440587. The reversal of 1083440563 is 3650443801.

It is a happy number.

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 1083440563 - 2⁵ = 1083440531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083440503) 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 in 3 ways as a sum of consecutive naturals, for example, 1292470 + ... + 1293307.

It is an arithmetic number, because the mean of its divisors is an integer number (271506690).

Almost surely, 2^1083440563 is an apocalyptic number.

1083440563 is a deficient number, since it is larger than the sum of its proper divisors (2586197).

1083440563 is an equidigital number, since it uses as much as digits as its factorization.

1083440563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586196.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1083440563 is about 32915.6583254839. The cubic root of 1083440563 is about 1027.0739094021.

The spelling of 1083440563 in words is "one billion, eighty-three million, four hundred forty thousand, five hundred sixty-three".