853003321 has 16 divisors (see below), whose sum is σ = 883832320. Its totient is φ = 822856320.

The previous prime is 853003289. The next prime is 853003337. The reversal of 853003321 is 123300358.

It is a cyclic number.

It is not a de Polignac number, because 853003321 - 2⁵ = 853003289 is a prime.

It is a super-2 number, since 2×853003321² = 1455229331274058082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853003391) 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 15 ways as a sum of consecutive naturals, for example, 992590 + ... + 993448.

It is an arithmetic number, because the mean of its divisors is an integer number (55239520).

Almost surely, 2^853003321 is an apocalyptic number.

It is an amenable number.

853003321 is a deficient number, since it is larger than the sum of its proper divisors (30828999).

853003321 is a wasteful number, since it uses less digits than its factorization.

853003321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 853003321 is about 29206.2205874023. The cubic root of 853003321 is about 948.3825926547.

Adding to 853003321 its reverse (123300358), we get a palindrome (976303679).

The spelling of 853003321 in words is "eight hundred fifty-three million, three thousand, three hundred twenty-one".