205260443 has 2 divisors, whose sum is σ = 205260444. Its totient is φ = 205260442.

The previous prime is 205260413. The next prime is 205260479. The reversal of 205260443 is 344062502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205260443 - 2¹⁶ = 205194907 is a prime.

It is not a weakly prime, because it can be changed into another prime (205260403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102630221 + 102630222.

It is an arithmetic number, because the mean of its divisors is an integer number (102630222).

Almost surely, 2^205260443 is an apocalyptic number.

205260443 is a deficient number, since it is larger than the sum of its proper divisors (1).

205260443 is an equidigital number, since it uses as much as digits as its factorization.

205260443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 205260443 is about 14326.9132404716. The cubic root of 205260443 is about 589.8864504261.

The spelling of 205260443 in words is "two hundred five million, two hundred sixty thousand, four hundred forty-three".