442533937 has 2 divisors, whose sum is σ = 442533938. Its totient is φ = 442533936.

The previous prime is 442533929. The next prime is 442533977. The reversal of 442533937 is 739335244.

It is an a-pointer prime, because the next prime (442533977) can be obtained adding 442533937 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297355536 + 145178401 = 17244^2 + 12049^2 .

It is a cyclic number.

It is not a de Polignac number, because 442533937 - 2³ = 442533929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442533937.

It is not a weakly prime, because it can be changed into another prime (442533907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221266968 + 221266969.

It is an arithmetic number, because the mean of its divisors is an integer number (221266969).

Almost surely, 2^442533937 is an apocalyptic number.

It is an amenable number.

442533937 is a deficient number, since it is larger than the sum of its proper divisors (1).

442533937 is an equidigital number, since it uses as much as digits as its factorization.

442533937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 40.

The square root of 442533937 is about 21036.4906056120. The cubic root of 442533937 is about 762.0477652310.

The spelling of 442533937 in words is "four hundred forty-two million, five hundred thirty-three thousand, nine hundred thirty-seven".