205314043 has 4 divisors (see below), whose sum is σ = 223978968. Its totient is φ = 186649120.

The previous prime is 205314017. The next prime is 205314059. The reversal of 205314043 is 340413502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205314043 - 2²⁵ = 171759611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205314013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9332446 + ... + 9332467.

It is an arithmetic number, because the mean of its divisors is an integer number (55994742).

Almost surely, 2^205314043 is an apocalyptic number.

205314043 is a deficient number, since it is larger than the sum of its proper divisors (18664925).

205314043 is a wasteful number, since it uses less digits than its factorization.

205314043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664924.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205314043 is about 14328.7837236801. The cubic root of 205314043 is about 589.9377919665.

Adding to 205314043 its reverse (340413502), we get a palindrome (545727545).

The spelling of 205314043 in words is "two hundred five million, three hundred fourteen thousand, forty-three".