200105289 has 8 divisors (see below), whose sum is σ = 296452320. Its totient is φ = 133403508.

The previous prime is 200105261. The next prime is 200105291. The reversal of 200105289 is 982501002.

It is not a de Polignac number, because 200105289 - 2⁹ = 200104777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7411307 = 200105289 / (2 + 0 + 0 + 1 + 0 + 5 + 2 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (200105239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705627 + ... + 3705680.

It is an arithmetic number, because the mean of its divisors is an integer number (37056540).

Almost surely, 2^200105289 is an apocalyptic number.

It is an amenable number.

200105289 is a deficient number, since it is larger than the sum of its proper divisors (96347031).

200105289 is an equidigital number, since it uses as much as digits as its factorization.

200105289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411316 (or 7411310 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 200105289 is about 14145.8576622275. The cubic root of 200105289 is about 584.9061519407.

The spelling of 200105289 in words is "two hundred million, one hundred five thousand, two hundred eighty-nine".