194514377 has 2 divisors, whose sum is σ = 194514378. Its totient is φ = 194514376.

The previous prime is 194514371. The next prime is 194514379. The reversal of 194514377 is 773415491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 66846976 = 11299^2 + 8176^2 .

It is a cyclic number.

It is not a de Polignac number, because 194514377 - 2⁴ = 194514361 is a prime.

Together with 194514379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194514371) 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, 97257188 + 97257189.

It is an arithmetic number, because the mean of its divisors is an integer number (97257189).

Almost surely, 2^194514377 is an apocalyptic number.

It is an amenable number.

194514377 is a deficient number, since it is larger than the sum of its proper divisors (1).

194514377 is an equidigital number, since it uses as much as digits as its factorization.

194514377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 194514377 is about 13946.8411118791. The cubic root of 194514377 is about 579.4072193734.

The spelling of 194514377 in words is "one hundred ninety-four million, five hundred fourteen thousand, three hundred seventy-seven".