194427059 has 2 divisors, whose sum is σ = 194427060. Its totient is φ = 194427058.

The previous prime is 194427029. The next prime is 194427061. The reversal of 194427059 is 950724491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194427059 - 2⁸ = 194426803 is a prime.

It is a Sophie Germain prime.

Together with 194427061, 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 (194427029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97213529 + 97213530.

It is an arithmetic number, because the mean of its divisors is an integer number (97213530).

Almost surely, 2^194427059 is an apocalyptic number.

194427059 is a deficient number, since it is larger than the sum of its proper divisors (1).

194427059 is an equidigital number, since it uses as much as digits as its factorization.

194427059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 194427059 is about 13943.7103742153. The cubic root of 194427059 is about 579.3205072708.

The spelling of 194427059 in words is "one hundred ninety-four million, four hundred twenty-seven thousand, fifty-nine".