200009701 has 2 divisors, whose sum is σ = 200009702. Its totient is φ = 200009700.

The previous prime is 200009699. The next prime is 200009731. The reversal of 200009701 is 107900002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193933476 + 6076225 = 13926^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 200009701 - 2¹ = 200009699 is a prime.

Together with 200009699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200009731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100004850 + 100004851.

It is an arithmetic number, because the mean of its divisors is an integer number (100004851).

Almost surely, 2^200009701 is an apocalyptic number.

It is an amenable number.

200009701 is a deficient number, since it is larger than the sum of its proper divisors (1).

200009701 is an equidigital number, since it uses as much as digits as its factorization.

200009701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 200009701 is about 14142.4786017162. The cubic root of 200009701 is about 584.8130027884.

Adding to 200009701 its reverse (107900002), we get a palindrome (307909703).

The spelling of 200009701 in words is "two hundred million, nine thousand, seven hundred one".