205035497 has 2 divisors, whose sum is σ = 205035498. Its totient is φ = 205035496.

The previous prime is 205035421. The next prime is 205035499. The reversal of 205035497 is 794530502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204232681 + 802816 = 14291^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 205035497 - 2²⁰ = 203986921 is a prime.

Together with 205035499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (205035499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102517748 + 102517749.

It is an arithmetic number, because the mean of its divisors is an integer number (102517749).

Almost surely, 2^205035497 is an apocalyptic number.

It is an amenable number.

205035497 is a deficient number, since it is larger than the sum of its proper divisors (1).

205035497 is an equidigital number, since it uses as much as digits as its factorization.

205035497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 205035497 is about 14319.0606186300. The cubic root of 205035497 is about 589.6708851051.

Adding to 205035497 its reverse (794530502), we get a palindrome (999565999).

The spelling of 205035497 in words is "two hundred five million, thirty-five thousand, four hundred ninety-seven".