845853361 has 4 divisors (see below), whose sum is σ = 847984372. Its totient is φ = 843722352.

The previous prime is 845853299. The next prime is 845853367. The reversal of 845853361 is 163358548.

845853361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 377563761 + 468289600 = 19431^2 + 21640^2 .

It is a cyclic number.

It is not a de Polignac number, because 845853361 - 2⁷ = 845853233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845853367) 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, 1064910 + ... + 1065703.

It is an arithmetic number, because the mean of its divisors is an integer number (211996093).

Almost surely, 2^845853361 is an apocalyptic number.

It is an amenable number.

845853361 is a deficient number, since it is larger than the sum of its proper divisors (2131011).

845853361 is a wasteful number, since it uses less digits than its factorization.

845853361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131010.

The product of its digits is 345600, while the sum is 43.

The square root of 845853361 is about 29083.5582589201. The cubic root of 845853361 is about 945.7253414211.

The spelling of 845853361 in words is "eight hundred forty-five million, eight hundred fifty-three thousand, three hundred sixty-one".