203104453 has 2 divisors, whose sum is σ = 203104454. Its totient is φ = 203104452.

The previous prime is 203104417. The next prime is 203104481. The reversal of 203104453 is 354401302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177369124 + 25735329 = 13318^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 203104453 - 2¹³ = 203096261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203104493) 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, 101552226 + 101552227.

It is an arithmetic number, because the mean of its divisors is an integer number (101552227).

Almost surely, 2^203104453 is an apocalyptic number.

It is an amenable number.

203104453 is a deficient number, since it is larger than the sum of its proper divisors (1).

203104453 is an equidigital number, since it uses as much as digits as its factorization.

203104453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 203104453 is about 14251.4719590644. The cubic root of 203104453 is about 587.8138505956.

Adding to 203104453 its reverse (354401302), we get a palindrome (557505755).

The spelling of 203104453 in words is "two hundred three million, one hundred four thousand, four hundred fifty-three".