203235089 has 2 divisors, whose sum is σ = 203235090. Its totient is φ = 203235088.

The previous prime is 203235049. The next prime is 203235167. The reversal of 203235089 is 980532302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 69022864 = 11585^2 + 8308^2 .

It is a cyclic number.

It is not a de Polignac number, because 203235089 - 2⁸ = 203234833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203235029) 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, 101617544 + 101617545.

It is an arithmetic number, because the mean of its divisors is an integer number (101617545).

Almost surely, 2^203235089 is an apocalyptic number.

It is an amenable number.

203235089 is a deficient number, since it is larger than the sum of its proper divisors (1).

203235089 is an equidigital number, since it uses as much as digits as its factorization.

203235089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 203235089 is about 14256.0544681900. The cubic root of 203235089 is about 587.9398501184.

The spelling of 203235089 in words is "two hundred three million, two hundred thirty-five thousand, eighty-nine".