205442241 has 8 divisors (see below), whose sum is σ = 281326464. Its totient is φ = 133259760.

The previous prime is 205442213. The next prime is 205442287. The reversal of 205442241 is 142244502.

It is a happy number.

205442241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-205442241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (205442201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925305 + ... + 925526.

It is an arithmetic number, because the mean of its divisors is an integer number (35165808).

Almost surely, 2^205442241 is an apocalyptic number.

It is an amenable number.

205442241 is a deficient number, since it is larger than the sum of its proper divisors (75884223).

205442241 is a wasteful number, since it uses less digits than its factorization.

205442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850871.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 205442241 is about 14333.2564687861. The cubic root of 205442241 is about 590.0605520540.

Adding to 205442241 its reverse (142244502), we get a palindrome (347686743).

The spelling of 205442241 in words is "two hundred five million, four hundred forty-two thousand, two hundred forty-one".