205355159 has 2 divisors, whose sum is σ = 205355160. Its totient is φ = 205355158.

The previous prime is 205355147. The next prime is 205355167. The reversal of 205355159 is 951553502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205355159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205352159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102677579 + 102677580.

It is an arithmetic number, because the mean of its divisors is an integer number (102677580).

Almost surely, 2^205355159 is an apocalyptic number.

205355159 is a deficient number, since it is larger than the sum of its proper divisors (1).

205355159 is an equidigital number, since it uses as much as digits as its factorization.

205355159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 205355159 is about 14330.2183863331. The cubic root of 205355159 is about 589.9771694699.

The spelling of 205355159 in words is "two hundred five million, three hundred fifty-five thousand, one hundred fifty-nine".