204241 has 4 divisors (see below), whose sum is σ = 205632. Its totient is φ = 202852.
The previous prime is 204233. The next prime is 204251. The reversal of 204241 is 142402.
It is the 185-th star number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 204241 - 23 = 204233 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204251) 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, 445 + ... + 778.
It is an arithmetic number, because the mean of its divisors is an integer number (51408).
2204241 is an apocalyptic number.
It is an amenable number.
204241 is a deficient number, since it is larger than the sum of its proper divisors (1391).
204241 is a wasteful number, since it uses less digits than its factorization.
204241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 204241 is about 451.9303043612. The cubic root of 204241 is about 58.8908255893.
Adding to 204241 its reverse (142402), we get a palindrome (346643).
The spelling of 204241 in words is "two hundred four thousand, two hundred forty-one", and thus it is an iban number.
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