442310325 has 48 divisors (see below), whose sum is σ = 762617856. Its totient is φ = 225950400.

The previous prime is 442310317. The next prime is 442310327. The reversal of 442310325 is 523013244.

It is not a de Polignac number, because 442310325 - 2³ = 442310317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442310295 and 442310304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442310327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238552 + ... + 240398.

It is an arithmetic number, because the mean of its divisors is an integer number (15887872).

Almost surely, 2^442310325 is an apocalyptic number.

It is an amenable number.

442310325 is a deficient number, since it is larger than the sum of its proper divisors (320307531).

442310325 is a wasteful number, since it uses less digits than its factorization.

442310325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 442310325 is about 21031.1750741607. The cubic root of 442310325 is about 761.9193895893.

Adding to 442310325 its reverse (523013244), we get a palindrome (965323569).

The spelling of 442310325 in words is "four hundred forty-two million, three hundred ten thousand, three hundred twenty-five".