205342 has 8 divisors (see below), whose sum is σ = 311976. Its totient is φ = 101352.

The previous prime is 205339. The next prime is 205357. The reversal of 205342 is 243502.

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

It is a d-powerful number, because it can be written as 2¹¹ + 0 + 3⁸ + 5³ + 4⁸ + 2¹⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (38997).

2²⁰⁵³⁴² is an apocalyptic number.

205342 is a deficient number, since it is larger than the sum of its proper divisors (106634).

205342 is a wasteful number, since it uses less digits than its factorization.

205342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 205342 is about 453.1467753389. The cubic root of 205342 is about 58.9964567440.

Adding to 205342 its reverse (243502), we get a palindrome (448844).

The spelling of 205342 in words is "two hundred five thousand, three hundred forty-two".