200244397 has 2 divisors, whose sum is σ = 200244398. Its totient is φ = 200244396.

The previous prime is 200244383. The next prime is 200244403. The reversal of 200244397 is 793442002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196168036 + 4076361 = 14006^2 + 2019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200244397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200244337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100122198 + 100122199.

It is an arithmetic number, because the mean of its divisors is an integer number (100122199).

Almost surely, 2^200244397 is an apocalyptic number.

It is an amenable number.

200244397 is a deficient number, since it is larger than the sum of its proper divisors (1).

200244397 is an equidigital number, since it uses as much as digits as its factorization.

200244397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 200244397 is about 14150.7737244293. The cubic root of 200244397 is about 585.0416577343.

Adding to 200244397 its reverse (793442002), we get a palindrome (993686399).

The spelling of 200244397 in words is "two hundred million, two hundred forty-four thousand, three hundred ninety-seven".