205094 has 4 divisors (see below), whose sum is σ = 307644. Its totient is φ = 102546.

The previous prime is 205081. The next prime is 205097. The reversal of 205094 is 490502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490502 = 2 ⋅245251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51272 + ... + 51275.

It is an arithmetic number, because the mean of its divisors is an integer number (76911).

2²⁰⁵⁰⁹⁴ is an apocalyptic number.

205094 is a deficient number, since it is larger than the sum of its proper divisors (102550).

205094 is a wasteful number, since it uses less digits than its factorization.

205094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102549.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 205094 is about 452.8730506444. The cubic root of 205094 is about 58.9726963582.

Adding to 205094 its reverse (490502), we get a palindrome (695596).

The spelling of 205094 in words is "two hundred five thousand, ninety-four".