203240041 has 2 divisors, whose sum is σ = 203240042. Its totient is φ = 203240040.

The previous prime is 203239997. The next prime is 203240047. The reversal of 203240041 is 140042302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102819600 + 100420441 = 10140^2 + 10021^2 .

It is a cyclic number.

It is not a de Polignac number, because 203240041 - 2⁹ = 203239529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203239997 and 203240024.

It is not a weakly prime, because it can be changed into another prime (203240047) 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, 101620020 + 101620021.

It is an arithmetic number, because the mean of its divisors is an integer number (101620021).

Almost surely, 2^203240041 is an apocalyptic number.

It is an amenable number.

203240041 is a deficient number, since it is larger than the sum of its proper divisors (1).

203240041 is an equidigital number, since it uses as much as digits as its factorization.

203240041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203240041 is about 14256.2281477255. The cubic root of 203240041 is about 587.9446253019.

Adding to 203240041 its reverse (140042302), we get a palindrome (343282343).

The spelling of 203240041 in words is "two hundred three million, two hundred forty thousand, forty-one".