203442049 has 2 divisors, whose sum is σ = 203442050. Its totient is φ = 203442048.

The previous prime is 203442023. The next prime is 203442079. The reversal of 203442049 is 940244302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113571649 + 89870400 = 10657^2 + 9480^2 .

It is a cyclic number.

It is not a de Polignac number, because 203442049 - 2⁵ = 203442017 is a prime.

It is not a weakly prime, because it can be changed into another prime (203442079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101721024 + 101721025.

It is an arithmetic number, because the mean of its divisors is an integer number (101721025).

Almost surely, 2^203442049 is an apocalyptic number.

It is an amenable number.

203442049 is a deficient number, since it is larger than the sum of its proper divisors (1).

203442049 is an equidigital number, since it uses as much as digits as its factorization.

203442049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 203442049 is about 14263.3112915620. The cubic root of 203442049 is about 588.1393543017.

The spelling of 203442049 in words is "two hundred three million, four hundred forty-two thousand, forty-nine".