200643341 has 4 divisors (see below), whose sum is σ = 206066172. Its totient is φ = 195220512.

The previous prime is 200643337. The next prime is 200643343. The reversal of 200643341 is 143346002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143346002 = 2 ⋅71673001.

It can be written as a sum of positive squares in 2 ways, for example, as 154008100 + 46635241 = 12410^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 200643341 - 2² = 200643337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200643343) 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, 2711360 + ... + 2711433.

It is an arithmetic number, because the mean of its divisors is an integer number (51516543).

Almost surely, 2^200643341 is an apocalyptic number.

It is an amenable number.

200643341 is a deficient number, since it is larger than the sum of its proper divisors (5422831).

200643341 is an equidigital number, since it uses as much as digits as its factorization.

200643341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422830.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 200643341 is about 14164.8629008544. The cubic root of 200643341 is about 585.4299233319.

Adding to 200643341 its reverse (143346002), we get a palindrome (343989343).

The spelling of 200643341 in words is "two hundred million, six hundred forty-three thousand, three hundred forty-one".