200581889 has 2 divisors, whose sum is σ = 200581890. Its totient is φ = 200581888.

The previous prime is 200581883. The next prime is 200581939. The reversal of 200581889 is 988185002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158331889 + 42250000 = 12583^2 + 6500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200581889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200581883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100290944 + 100290945.

It is an arithmetic number, because the mean of its divisors is an integer number (100290945).

Almost surely, 2^200581889 is an apocalyptic number.

It is an amenable number.

200581889 is a deficient number, since it is larger than the sum of its proper divisors (1).

200581889 is an equidigital number, since it uses as much as digits as its factorization.

200581889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 200581889 is about 14162.6935644319. The cubic root of 200581889 is about 585.3701497507.

The spelling of 200581889 in words is "two hundred million, five hundred eighty-one thousand, eight hundred eighty-nine".