442061 has 2 divisors, whose sum is σ = 442062. Its totient is φ = 442060.

The previous prime is 442033. The next prime is 442069. The reversal of 442061 is 160244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 198025 = 494^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 442061 - 2¹⁸ = 179917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221030 + 221031.

It is an arithmetic number, because the mean of its divisors is an integer number (221031).

2⁴⁴²⁰⁶¹ is an apocalyptic number.

It is an amenable number.

442061 is a deficient number, since it is larger than the sum of its proper divisors (1).

442061 is an equidigital number, since it uses as much as digits as its factorization.

442061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 442061 is about 664.8766802949. The cubic root of 442061 is about 76.1776201089.

The spelling of 442061 in words is "four hundred forty-two thousand, sixty-one".