845083361 has 4 divisors (see below), whose sum is σ = 846705924. Its totient is φ = 843460800.

The previous prime is 845083331. The next prime is 845083363. The reversal of 845083361 is 163380548.

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 227859025 + 617224336 = 15095^2 + 24844^2 .

It is a cyclic number.

It is not a de Polignac number, because 845083361 - 2⁶ = 845083297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845083363) 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, 810500 + ... + 811541.

It is an arithmetic number, because the mean of its divisors is an integer number (211676481).

Almost surely, 2^845083361 is an apocalyptic number.

It is an amenable number.

845083361 is a deficient number, since it is larger than the sum of its proper divisors (1622563).

845083361 is a wasteful number, since it uses less digits than its factorization.

845083361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622562.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 845083361 is about 29070.3175249257. The cubic root of 845083361 is about 945.4382823686.

The spelling of 845083361 in words is "eight hundred forty-five million, eighty-three thousand, three hundred sixty-one".