203091041 has 2 divisors, whose sum is σ = 203091042. Its totient is φ = 203091040.

The previous prime is 203091017. The next prime is 203091047. The reversal of 203091041 is 140190302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166306816 + 36784225 = 12896^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 203091041 - 2¹⁴ = 203074657 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 (203091047) 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, 101545520 + 101545521.

It is an arithmetic number, because the mean of its divisors is an integer number (101545521).

Almost surely, 2^203091041 is an apocalyptic number.

It is an amenable number.

203091041 is a deficient number, since it is larger than the sum of its proper divisors (1).

203091041 is an equidigital number, since it uses as much as digits as its factorization.

203091041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 203091041 is about 14251.0014034102. The cubic root of 203091041 is about 587.8009115508.

The spelling of 203091041 in words is "two hundred three million, ninety-one thousand, forty-one".