203340089 has 2 divisors, whose sum is σ = 203340090. Its totient is φ = 203340088.

The previous prime is 203340061. The next prime is 203340103. The reversal of 203340089 is 980043302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175165225 + 28174864 = 13235^2 + 5308^2 .

It is a cyclic number.

It is not a de Polignac number, because 203340089 - 2⁸ = 203339833 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 (203340029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101670044 + 101670045.

It is an arithmetic number, because the mean of its divisors is an integer number (101670045).

Almost surely, 2^203340089 is an apocalyptic number.

It is an amenable number.

203340089 is a deficient number, since it is larger than the sum of its proper divisors (1).

203340089 is an equidigital number, since it uses as much as digits as its factorization.

203340089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 203340089 is about 14259.7366385218. The cubic root of 203340089 is about 588.0410843692.

The spelling of 203340089 in words is "two hundred three million, three hundred forty thousand, eighty-nine".