442341197 has 2 divisors, whose sum is σ = 442341198. Its totient is φ = 442341196.

The previous prime is 442341181. The next prime is 442341199. The reversal of 442341197 is 791143244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262083721 + 180257476 = 16189^2 + 13426^2 .

It is a cyclic number.

It is not a de Polignac number, because 442341197 - 2⁴ = 442341181 is a prime.

Together with 442341199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442341199) 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, 221170598 + 221170599.

It is an arithmetic number, because the mean of its divisors is an integer number (221170599).

Almost surely, 2^442341197 is an apocalyptic number.

It is an amenable number.

442341197 is a deficient number, since it is larger than the sum of its proper divisors (1).

442341197 is an equidigital number, since it uses as much as digits as its factorization.

442341197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 442341197 is about 21031.9090193924. The cubic root of 442341197 is about 761.9371157774.

The spelling of 442341197 in words is "four hundred forty-two million, three hundred forty-one thousand, one hundred ninety-seven".