209241 has 12 divisors (see below), whose sum is σ = 307632. Its totient is φ = 137016.

The previous prime is 209233. The next prime is 209249. The reversal of 209241 is 142902.

209241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (209233) and next prime (209249).

It is not a de Polignac number, because 209241 - 2³ = 209233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (209249) 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, 430 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (25636).

2²⁰⁹²⁴¹ is an apocalyptic number.

It is an amenable number.

209241 is a deficient number, since it is larger than the sum of its proper divisors (98391).

209241 is a wasteful number, since it uses less digits than its factorization.

209241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 209241 is about 457.4286829660. The cubic root of 209241 is about 59.3675229735.

It can be divided in two parts, 20 and 9241, that added together give a cube (9261 = 21³).

The spelling of 209241 in words is "two hundred nine thousand, two hundred forty-one".