200244661 has 2 divisors, whose sum is σ = 200244662. Its totient is φ = 200244660.

The previous prime is 200244631. The next prime is 200244689. The reversal of 200244661 is 166442002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192682161 + 7562500 = 13881^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 200244661 - 2¹³ = 200236469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200244631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100122330 + 100122331.

It is an arithmetic number, because the mean of its divisors is an integer number (100122331).

Almost surely, 2^200244661 is an apocalyptic number.

It is an amenable number.

200244661 is a deficient number, since it is larger than the sum of its proper divisors (1).

200244661 is an equidigital number, since it uses as much as digits as its factorization.

200244661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 200244661 is about 14150.7830525381. The cubic root of 200244661 is about 585.0419148383.

Adding to 200244661 its reverse (166442002), we get a palindrome (366686663).

The spelling of 200244661 in words is "two hundred million, two hundred forty-four thousand, six hundred sixty-one".