205592243 has 2 divisors, whose sum is σ = 205592244. Its totient is φ = 205592242.

The previous prime is 205592221. The next prime is 205592249. The reversal of 205592243 is 342295502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205592243 - 2¹⁰ = 205591219 is a prime.

It is not a weakly prime, because it can be changed into another prime (205592249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102796121 + 102796122.

It is an arithmetic number, because the mean of its divisors is an integer number (102796122).

Almost surely, 2^205592243 is an apocalyptic number.

205592243 is a deficient number, since it is larger than the sum of its proper divisors (1).

205592243 is an equidigital number, since it uses as much as digits as its factorization.

205592243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 205592243 is about 14338.4881699571. The cubic root of 205592243 is about 590.2041264386.

The spelling of 205592243 in words is "two hundred five million, five hundred ninety-two thousand, two hundred forty-three".