442562971 has 2 divisors, whose sum is σ = 442562972. Its totient is φ = 442562970.

The previous prime is 442562969. The next prime is 442562983. The reversal of 442562971 is 179265244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442562971 - 2¹ = 442562969 is a prime.

Together with 442562969, 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 (442562171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221281485 + 221281486.

It is an arithmetic number, because the mean of its divisors is an integer number (221281486).

Almost surely, 2^442562971 is an apocalyptic number.

442562971 is a deficient number, since it is larger than the sum of its proper divisors (1).

442562971 is an equidigital number, since it uses as much as digits as its factorization.

442562971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 442562971 is about 21037.1806808802. The cubic root of 442562971 is about 762.0644304771.

The spelling of 442562971 in words is "four hundred forty-two million, five hundred sixty-two thousand, nine hundred seventy-one".