1083841285 has 4 divisors (see below), whose sum is σ = 1300609548. Its totient is φ = 867073024.

The previous prime is 1083841277. The next prime is 1083841289. The reversal of 1083841285 is 5821483801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 149866564 + 933974721 = 12242^2 + 30561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083841285 - 2³ = 1083841277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083841289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108384124 + ... + 108384133.

It is an arithmetic number, because the mean of its divisors is an integer number (325152387).

Almost surely, 2^1083841285 is an apocalyptic number.

It is an amenable number.

1083841285 is a deficient number, since it is larger than the sum of its proper divisors (216768263).

1083841285 is an equidigital number, since it uses as much as digits as its factorization.

1083841285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216768262.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1083841285 is about 32921.7448656659. The cubic root of 1083841285 is about 1027.2005185256.

The spelling of 1083841285 in words is "one billion, eighty-three million, eight hundred forty-one thousand, two hundred eighty-five".