200643097 has 8 divisors (see below), whose sum is σ = 211593600. Its totient is φ = 189731664.

The previous prime is 200643077. The next prime is 200643101. The reversal of 200643097 is 790346002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200643097 - 2²⁷ = 66425369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200643077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 20062.

It is an arithmetic number, because the mean of its divisors is an integer number (26449200).

Almost surely, 2^200643097 is an apocalyptic number.

It is an amenable number.

200643097 is a deficient number, since it is larger than the sum of its proper divisors (10950503).

200643097 is a wasteful number, since it uses less digits than its factorization.

200643097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 200643097 is about 14164.8542879904. The cubic root of 200643097 is about 585.4296860203.

Adding to 200643097 its reverse (790346002), we get a palindrome (990989099).

The spelling of 200643097 in words is "two hundred million, six hundred forty-three thousand, ninety-seven".