203041589 has 2 divisors, whose sum is σ = 203041590. Its totient is φ = 203041588.

The previous prime is 203041583. The next prime is 203041621. The reversal of 203041589 is 985140302.

It is an a-pointer prime, because the next prime (203041621) can be obtained adding 203041589 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202834564 + 207025 = 14242^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203041589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203041583) 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, 101520794 + 101520795.

It is an arithmetic number, because the mean of its divisors is an integer number (101520795).

Almost surely, 2^203041589 is an apocalyptic number.

It is an amenable number.

203041589 is a deficient number, since it is larger than the sum of its proper divisors (1).

203041589 is an equidigital number, since it uses as much as digits as its factorization.

203041589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 203041589 is about 14249.2662618115. The cubic root of 203041589 is about 587.7531984822.

The spelling of 203041589 in words is "two hundred three million, forty-one thousand, five hundred eighty-nine".