194295317 has 2 divisors, whose sum is σ = 194295318. Its totient is φ = 194295316.

The previous prime is 194295313. The next prime is 194295337. The reversal of 194295317 is 713592491.

194295317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166900561 + 27394756 = 12919^2 + 5234^2 .

It is an emirp because it is prime and its reverse (713592491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194295317 - 2² = 194295313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194295313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97147658 + 97147659.

It is an arithmetic number, because the mean of its divisors is an integer number (97147659).

Almost surely, 2^194295317 is an apocalyptic number.

It is an amenable number.

194295317 is a deficient number, since it is larger than the sum of its proper divisors (1).

194295317 is an equidigital number, since it uses as much as digits as its factorization.

194295317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 194295317 is about 13938.9855082786. The cubic root of 194295317 is about 579.1896302772.

The spelling of 194295317 in words is "one hundred ninety-four million, two hundred ninety-five thousand, three hundred seventeen".