203442241 has 2 divisors, whose sum is σ = 203442242. Its totient is φ = 203442240.

The previous prime is 203442229. The next prime is 203442251. The reversal of 203442241 is 142244302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166281025 + 37161216 = 12895^2 + 6096^2 .

It is a cyclic number.

It is not a de Polignac number, because 203442241 - 2⁵ = 203442209 is a prime.

It is not a weakly prime, because it can be changed into another prime (203442251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101721120 + 101721121.

It is an arithmetic number, because the mean of its divisors is an integer number (101721121).

Almost surely, 2^203442241 is an apocalyptic number.

It is an amenable number.

203442241 is a deficient number, since it is larger than the sum of its proper divisors (1).

203442241 is an equidigital number, since it uses as much as digits as its factorization.

203442241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 203442241 is about 14263.3180221153. The cubic root of 203442241 is about 588.1395393220.

Adding to 203442241 its reverse (142244302), we get a palindrome (345686543).

The spelling of 203442241 in words is "two hundred three million, four hundred forty-two thousand, two hundred forty-one".