205002041 has 2 divisors, whose sum is σ = 205002042. Its totient is φ = 205002040.

The previous prime is 205002037. The next prime is 205002043. The reversal of 205002041 is 140200502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 83539600 = 11021^2 + 9140^2 .

It is a cyclic number.

It is not a de Polignac number, because 205002041 - 2² = 205002037 is a prime.

Together with 205002043, 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 (205002043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102501020 + 102501021.

It is an arithmetic number, because the mean of its divisors is an integer number (102501021).

Almost surely, 2^205002041 is an apocalyptic number.

It is an amenable number.

205002041 is a deficient number, since it is larger than the sum of its proper divisors (1).

205002041 is an equidigital number, since it uses as much as digits as its factorization.

205002041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 205002041 is about 14317.8923379106. The cubic root of 205002041 is about 589.6388108179.

Adding to 205002041 its reverse (140200502), we get a palindrome (345202543).

The spelling of 205002041 in words is "two hundred five million, two thousand, forty-one".