845201 has 12 divisors (see below), whose sum is σ = 1006848. Its totient is φ = 707112.

The previous prime is 845197. The next prime is 845203. The reversal of 845201 is 102548.

845201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845201 - 2² = 845197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2120 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (83904).

2⁸⁴⁵²⁰¹ is an apocalyptic number.

It is an amenable number.

845201 is a deficient number, since it is larger than the sum of its proper divisors (161647).

845201 is a wasteful number, since it uses less digits than its factorization.

845201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 845201 is about 919.3481386287. The cubic root of 845201 is about 94.5482149936.

Adding to 845201 its reverse (102548), we get a palindrome (947749).

The spelling of 845201 in words is "eight hundred forty-five thousand, two hundred one".