442325 has 12 divisors (see below), whose sum is σ = 591108. Its totient is φ = 326400.

The previous prime is 442319. The next prime is 442327. The reversal of 442325 is 523244.

It can be written as a sum of positive squares in 6 ways, for example, as 108241 + 334084 = 329^2 + 578^2 .

It is not a de Polignac number, because 442325 - 2⁸ = 442069 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442297 and 442306.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442325.

It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (49259).

2⁴⁴²³²⁵ is an apocalyptic number.

It is an amenable number.

442325 is a deficient number, since it is larger than the sum of its proper divisors (148783).

442325 is a wasteful number, since it uses less digits than its factorization.

442325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1379 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 442325 is about 665.0751837199. The cubic root of 442325 is about 76.1927815833.

Adding to 442325 its reverse (523244), we get a palindrome (965569).

It can be divided in two parts, 442 and 325, that added together give a palindrome (767).

The spelling of 442325 in words is "four hundred forty-two thousand, three hundred twenty-five".