205035071 has 2 divisors, whose sum is σ = 205035072. Its totient is φ = 205035070.

The previous prime is 205035049. The next prime is 205035101. The reversal of 205035071 is 170530502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205035071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205035871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102517535 + 102517536.

It is an arithmetic number, because the mean of its divisors is an integer number (102517536).

Almost surely, 2^205035071 is an apocalyptic number.

205035071 is a deficient number, since it is larger than the sum of its proper divisors (1).

205035071 is an equidigital number, since it uses as much as digits as its factorization.

205035071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 205035071 is about 14319.0457433448. The cubic root of 205035071 is about 589.6704767206.

Adding to 205035071 its reverse (170530502), we get a palindrome (375565573).

The spelling of 205035071 in words is "two hundred five million, thirty-five thousand, seventy-one".