200242849 has 2 divisors, whose sum is σ = 200242850. Its totient is φ = 200242848.

The previous prime is 200242841. The next prime is 200242891. The reversal of 200242849 is 948242002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187690000 + 12552849 = 13700^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 200242849 - 2³ = 200242841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200242849.

It is not a weakly prime, because it can be changed into another prime (200242841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100121424 + 100121425.

It is an arithmetic number, because the mean of its divisors is an integer number (100121425).

Almost surely, 2^200242849 is an apocalyptic number.

It is an amenable number.

200242849 is a deficient number, since it is larger than the sum of its proper divisors (1).

200242849 is an equidigital number, since it uses as much as digits as its factorization.

200242849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 200242849 is about 14150.7190276678. The cubic root of 200242849 is about 585.0401501652.

It can be divided in two parts, 200 and 242849, that added together give a square (243049 = 493²).

The spelling of 200242849 in words is "two hundred million, two hundred forty-two thousand, eight hundred forty-nine".