442560533 has 2 divisors, whose sum is σ = 442560534. Its totient is φ = 442560532.

The previous prime is 442560511. The next prime is 442560577. The reversal of 442560533 is 335065244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431683729 + 10876804 = 20777^2 + 3298^2 .

It is a cyclic number.

It is not a de Polignac number, because 442560533 - 2¹² = 442556437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442560533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442565533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221280266 + 221280267.

It is an arithmetic number, because the mean of its divisors is an integer number (221280267).

Almost surely, 2^442560533 is an apocalyptic number.

It is an amenable number.

442560533 is a deficient number, since it is larger than the sum of its proper divisors (1).

442560533 is an equidigital number, since it uses as much as digits as its factorization.

442560533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 442560533 is about 21037.1227357735. The cubic root of 442560533 is about 762.0630311158.

The spelling of 442560533 in words is "four hundred forty-two million, five hundred sixty thousand, five hundred thirty-three".