203034538 has 12 divisors (see below), whose sum is σ = 354274722. Its totient is φ = 87014760.

The previous prime is 203034529. The next prime is 203034541. The reversal of 203034538 is 835430302.

It can be written as a sum of positive squares in only one way, i.e., 151954929 + 51079609 = 12327^2 + 7147^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1035793 + ... + 1035988.

Almost surely, 2^203034538 is an apocalyptic number.

203034538 is a deficient number, since it is larger than the sum of its proper divisors (151240184).

203034538 is a wasteful number, since it uses less digits than its factorization.

203034538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071797 (or 2071790 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 203034538 is about 14249.0188434151. The cubic root of 203034538 is about 587.7463947927.

The spelling of 203034538 in words is "two hundred three million, thirty-four thousand, five hundred thirty-eight".