205760213 has 2 divisors, whose sum is σ = 205760214. Its totient is φ = 205760212.

The previous prime is 205760207. The next prime is 205760227. The reversal of 205760213 is 312067502.

205760213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198753604 + 7006609 = 14098^2 + 2647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205760213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205760413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102880106 + 102880107.

It is an arithmetic number, because the mean of its divisors is an integer number (102880107).

Almost surely, 2^205760213 is an apocalyptic number.

It is an amenable number.

205760213 is a deficient number, since it is larger than the sum of its proper divisors (1).

205760213 is an equidigital number, since it uses as much as digits as its factorization.

205760213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 205760213 is about 14344.3442861638. The cubic root of 205760213 is about 590.3648160307.

The spelling of 205760213 in words is "two hundred five million, seven hundred sixty thousand, two hundred thirteen".