442425343 has 2 divisors, whose sum is σ = 442425344. Its totient is φ = 442425342.

The previous prime is 442425341. The next prime is 442425367. The reversal of 442425343 is 343524244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442425343 - 2¹ = 442425341 is a prime.

Together with 442425341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442425341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221212671 + 221212672.

It is an arithmetic number, because the mean of its divisors is an integer number (221212672).

Almost surely, 2^442425343 is an apocalyptic number.

442425343 is a deficient number, since it is larger than the sum of its proper divisors (1).

442425343 is an equidigital number, since it uses as much as digits as its factorization.

442425343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 31.

The square root of 442425343 is about 21033.9093608392. The cubic root of 442425343 is about 761.9854268218.

Adding to 442425343 its reverse (343524244), we get a palindrome (785949587).

The spelling of 442425343 in words is "four hundred forty-two million, four hundred twenty-five thousand, three hundred forty-three".