208241 has 6 divisors (see below), whose sum is σ = 229026. Its totient is φ = 189200.

The previous prime is 208231. The next prime is 208253. The reversal of 208241 is 142802.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 14641 = 440^2 + 121^2 .

It is a de Polignac number, because none of the positive numbers 2^k-208241 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 740 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (38171).

2²⁰⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

208241 is a deficient number, since it is larger than the sum of its proper divisors (20785).

208241 is a wasteful number, since it uses less digits than its factorization.

208241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 208241 is about 456.3343072792. The cubic root of 208241 is about 59.2727959190.

The spelling of 208241 in words is "two hundred eight thousand, two hundred forty-one".