194755273 has 2 divisors, whose sum is σ = 194755274. Its totient is φ = 194755272.

The previous prime is 194755261. The next prime is 194755277. The reversal of 194755273 is 372557491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175509504 + 19245769 = 13248^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 194755273 - 2⁵ = 194755241 is a prime.

It is a super-2 number, since 2×194755273² = 75859232722609058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194755277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97377636 + 97377637.

It is an arithmetic number, because the mean of its divisors is an integer number (97377637).

Almost surely, 2^194755273 is an apocalyptic number.

It is an amenable number.

194755273 is a deficient number, since it is larger than the sum of its proper divisors (1).

194755273 is an equidigital number, since it uses as much as digits as its factorization.

194755273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 43.

The square root of 194755273 is about 13955.4746605051. The cubic root of 194755273 is about 579.6463093295.

The spelling of 194755273 in words is "one hundred ninety-four million, seven hundred fifty-five thousand, two hundred seventy-three".