194300453 has 2 divisors, whose sum is σ = 194300454. Its totient is φ = 194300452.

The previous prime is 194300419. The next prime is 194300459. The reversal of 194300453 is 354003491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178436164 + 15864289 = 13358^2 + 3983^2 .

It is an emirp because it is prime and its reverse (354003491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194300453 - 2¹⁰ = 194299429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194300459) 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, 97150226 + 97150227.

It is an arithmetic number, because the mean of its divisors is an integer number (97150227).

Almost surely, 2^194300453 is an apocalyptic number.

It is an amenable number.

194300453 is a deficient number, since it is larger than the sum of its proper divisors (1).

194300453 is an equidigital number, since it uses as much as digits as its factorization.

194300453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 194300453 is about 13939.1697385461. The cubic root of 194300453 is about 579.1947336627.

The spelling of 194300453 in words is "one hundred ninety-four million, three hundred thousand, four hundred fifty-three".