200800001 has 4 divisors (see below), whose sum is σ = 205697604. Its totient is φ = 195902400.

The previous prime is 200799953. The next prime is 200800003. The reversal of 200800001 is 100008002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87909376 + 112890625 = 9376^2 + 10625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200800001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200800003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448740 + ... + 2448821.

It is an arithmetic number, because the mean of its divisors is an integer number (51424401).

Almost surely, 2^200800001 is an apocalyptic number.

It is an amenable number.

200800001 is a deficient number, since it is larger than the sum of its proper divisors (4897603).

200800001 is an equidigital number, since it uses as much as digits as its factorization.

200800001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897602.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 200800001 is about 14170.3917024195. The cubic root of 200800001 is about 585.5822493316.

Adding to 200800001 its reverse (100008002), we get a palindrome (300808003).

The spelling of 200800001 in words is "two hundred million, eight hundred thousand, one".