200252209 has 2 divisors, whose sum is σ = 200252210. Its totient is φ = 200252208.

The previous prime is 200252207. The next prime is 200252249. The reversal of 200252209 is 902252002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133911184 + 66341025 = 11572^2 + 8145^2 .

It is a cyclic number.

It is not a de Polignac number, because 200252209 - 2¹ = 200252207 is a prime.

Together with 200252207, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200252209.

It is not a weakly prime, because it can be changed into another prime (200252207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100126104 + 100126105.

It is an arithmetic number, because the mean of its divisors is an integer number (100126105).

Almost surely, 2^200252209 is an apocalyptic number.

It is an amenable number.

200252209 is a deficient number, since it is larger than the sum of its proper divisors (1).

200252209 is an equidigital number, since it uses as much as digits as its factorization.

200252209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 200252209 is about 14151.0497490469. The cubic root of 200252209 is about 585.0492655810.

The spelling of 200252209 in words is "two hundred million, two hundred fifty-two thousand, two hundred nine".