205064429 has 2 divisors, whose sum is σ = 205064430. Its totient is φ = 205064428.

The previous prime is 205064417. The next prime is 205064437. The reversal of 205064429 is 924460502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202407529 + 2656900 = 14227^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 205064429 - 2⁴ = 205064413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205064395 and 205064404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205064029) 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, 102532214 + 102532215.

It is an arithmetic number, because the mean of its divisors is an integer number (102532215).

Almost surely, 2^205064429 is an apocalyptic number.

It is an amenable number.

205064429 is a deficient number, since it is larger than the sum of its proper divisors (1).

205064429 is an equidigital number, since it uses as much as digits as its factorization.

205064429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 205064429 is about 14320.0708447968. The cubic root of 205064429 is about 589.6986194176.

The spelling of 205064429 in words is "two hundred five million, sixty-four thousand, four hundred twenty-nine".