203201 has 4 divisors (see below), whose sum is σ = 215172. Its totient is φ = 191232.

The previous prime is 203183. The next prime is 203207. The reversal of 203201 is 102302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102302 = 2 ⋅51151.

It can be written as a sum of positive squares in 2 ways, for example, as 172225 + 30976 = 415^2 + 176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203201.

It is not an unprimeable number, because it can be changed into a prime (203207) 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, 5960 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (53793).

2²⁰³²⁰¹ is an apocalyptic number.

It is an amenable number.

203201 is a deficient number, since it is larger than the sum of its proper divisors (11971).

203201 is a wasteful number, since it uses less digits than its factorization.

203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11970.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 203201 is about 450.7782159777. The cubic root of 203201 is about 58.7906976198.

Adding to 203201 its reverse (102302), we get a palindrome (305503).

It can be divided in two parts, 203 and 201, that added together give a palindrome (404).

The spelling of 203201 in words is "two hundred three thousand, two hundred one", and thus it is an iban number.