194427017 has 2 divisors, whose sum is σ = 194427018. Its totient is φ = 194427016.

The previous prime is 194426993. The next prime is 194427029. The reversal of 194427017 is 710724491.

194427017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104632441 + 89794576 = 10229^2 + 9476^2 .

It is a cyclic number.

It is not a de Polignac number, because 194427017 - 2¹⁴ = 194410633 is a prime.

It is not a weakly prime, because it can be changed into another prime (196427017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97213508 + 97213509.

It is an arithmetic number, because the mean of its divisors is an integer number (97213509).

Almost surely, 2^194427017 is an apocalyptic number.

It is an amenable number.

194427017 is a deficient number, since it is larger than the sum of its proper divisors (1).

194427017 is an equidigital number, since it uses as much as digits as its factorization.

194427017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 194427017 is about 13943.7088681599. The cubic root of 194427017 is about 579.3204655560.

The spelling of 194427017 in words is "one hundred ninety-four million, four hundred twenty-seven thousand, seventeen".