200617691 has 2 divisors, whose sum is σ = 200617692. Its totient is φ = 200617690.

The previous prime is 200617657. The next prime is 200617693. The reversal of 200617691 is 196716002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200617691 - 2¹⁰ = 200616667 is a prime.

It is a Sophie Germain prime.

Together with 200617693, 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 (200617693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100308845 + 100308846.

It is an arithmetic number, because the mean of its divisors is an integer number (100308846).

Almost surely, 2^200617691 is an apocalyptic number.

200617691 is a deficient number, since it is larger than the sum of its proper divisors (1).

200617691 is an equidigital number, since it uses as much as digits as its factorization.

200617691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 200617691 is about 14163.9574625173. The cubic root of 200617691 is about 585.4049753863.

The spelling of 200617691 in words is "two hundred million, six hundred seventeen thousand, six hundred ninety-one".