200965 has 4 divisors (see below), whose sum is σ = 241164. Its totient is φ = 160768.

The previous prime is 200929. The next prime is 200971. The reversal of 200965 is 569002.

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 58081 + 142884 = 241^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 200965 - 2¹⁵ = 168197 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20092 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (60291).

2²⁰⁰⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

200965 is a deficient number, since it is larger than the sum of its proper divisors (40199).

200965 is an equidigital number, since it uses as much as digits as its factorization.

200965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40198.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 200965 is about 448.2912000029. The cubic root of 200965 is about 58.5742597991.

Adding to 200965 its reverse (569002), we get a palindrome (769967).

The spelling of 200965 in words is "two hundred thousand, nine hundred sixty-five".