442562983 has 2 divisors, whose sum is σ = 442562984. Its totient is φ = 442562982.

The previous prime is 442562971. The next prime is 442563007. The reversal of 442562983 is 389265244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442562983 - 2¹⁷ = 442431911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442562963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221281491 + 221281492.

It is an arithmetic number, because the mean of its divisors is an integer number (221281492).

Almost surely, 2^442562983 is an apocalyptic number.

442562983 is a deficient number, since it is larger than the sum of its proper divisors (1).

442562983 is an equidigital number, since it uses as much as digits as its factorization.

442562983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 442562983 is about 21037.1809660895. The cubic root of 442562983 is about 762.0644373649.

The spelling of 442562983 in words is "four hundred forty-two million, five hundred sixty-two thousand, nine hundred eighty-three".