204044453 has 2 divisors, whose sum is σ = 204044454. Its totient is φ = 204044452.

The previous prime is 204044429. The next prime is 204044459. The reversal of 204044453 is 354440402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114211969 + 89832484 = 10687^2 + 9478^2 .

It is a cyclic number.

It is not a de Polignac number, because 204044453 - 2⁶ = 204044389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204044459) 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, 102022226 + 102022227.

It is an arithmetic number, because the mean of its divisors is an integer number (102022227).

Almost surely, 2^204044453 is an apocalyptic number.

It is an amenable number.

204044453 is a deficient number, since it is larger than the sum of its proper divisors (1).

204044453 is an equidigital number, since it uses as much as digits as its factorization.

204044453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 204044453 is about 14284.4129385845. The cubic root of 204044453 is about 588.7192874683.

Adding to 204044453 its reverse (354440402), we get a palindrome (558484855).

The spelling of 204044453 in words is "two hundred four million, forty-four thousand, four hundred fifty-three".