442733 has 2 divisors, whose sum is σ = 442734. Its totient is φ = 442732.

The previous prime is 442721. The next prime is 442747. The reversal of 442733 is 337244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 4489 = 662^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 442733 - 2¹² = 438637 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 4⁹ + 7³ + 2¹¹ + 3³ + 3¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 442699 and 442708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221366 + 221367.

It is an arithmetic number, because the mean of its divisors is an integer number (221367).

2⁴⁴²⁷³³ is an apocalyptic number.

It is an amenable number.

442733 is a deficient number, since it is larger than the sum of its proper divisors (1).

442733 is an equidigital number, since it uses as much as digits as its factorization.

442733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 23.

The square root of 442733 is about 665.3818452588. The cubic root of 442733 is about 76.2162010913.

Adding to 442733 its reverse (337244), we get a palindrome (779977).

The spelling of 442733 in words is "four hundred forty-two thousand, seven hundred thirty-three".