203042053 has 2 divisors, whose sum is σ = 203042054. Its totient is φ = 203042052.

The previous prime is 203042003. The next prime is 203042071. The reversal of 203042053 is 350240302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198302724 + 4739329 = 14082^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 203042053 - 2²¹ = 200944901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203042053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203042003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101521026 + 101521027.

It is an arithmetic number, because the mean of its divisors is an integer number (101521027).

Almost surely, 2^203042053 is an apocalyptic number.

It is an amenable number.

203042053 is a deficient number, since it is larger than the sum of its proper divisors (1).

203042053 is an equidigital number, since it uses as much as digits as its factorization.

203042053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 203042053 is about 14249.2825433423. The cubic root of 203042053 is about 587.7536462021.

Adding to 203042053 its reverse (350240302), we get a palindrome (553282355).

The spelling of 203042053 in words is "two hundred three million, forty-two thousand, fifty-three".