200001047 has 2 divisors, whose sum is σ = 200001048. Its totient is φ = 200001046.

The previous prime is 200001019. The next prime is 200001059. The reversal of 200001047 is 740100002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000523 + 100000524.

It is an arithmetic number, because the mean of its divisors is an integer number (100000524).

Almost surely, 2^200001047 is an apocalyptic number.

200001047 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001047 is an equidigital number, since it uses as much as digits as its factorization.

200001047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 200001047 is about 14142.1726407225. The cubic root of 200001047 is about 584.8045681230.

Adding to 200001047 its reverse (740100002), we get a palindrome (940101049).

The spelling of 200001047 in words is "two hundred million, one thousand, forty-seven".