205449067 has 2 divisors, whose sum is σ = 205449068. Its totient is φ = 205449066.

The previous prime is 205449047. The next prime is 205449077. The reversal of 205449067 is 760944502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205449067 is a prime.

It is not a weakly prime, because it can be changed into another prime (205449047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102724533 + 102724534.

It is an arithmetic number, because the mean of its divisors is an integer number (102724534).

Almost surely, 2^205449067 is an apocalyptic number.

205449067 is a deficient number, since it is larger than the sum of its proper divisors (1).

205449067 is an equidigital number, since it uses as much as digits as its factorization.

205449067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 205449067 is about 14333.4945843643. The cubic root of 205449067 is about 590.0670870760.

The spelling of 205449067 in words is "two hundred five million, four hundred forty-nine thousand, sixty-seven".