442525241 has 4 divisors (see below), whose sum is σ = 442922532. Its totient is φ = 442127952.

The previous prime is 442525229. The next prime is 442525243. The reversal of 442525241 is 142525244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10758400 + 431766841 = 3280^2 + 20779^2 .

It is a cyclic number.

It is not a de Polignac number, because 442525241 - 2¹⁰ = 442524217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442525243) 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 in 3 ways as a sum of consecutive naturals, for example, 196970 + ... + 199203.

It is an arithmetic number, because the mean of its divisors is an integer number (110730633).

Almost surely, 2^442525241 is an apocalyptic number.

It is an amenable number.

442525241 is a deficient number, since it is larger than the sum of its proper divisors (397291).

442525241 is a wasteful number, since it uses less digits than its factorization.

442525241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397290.

The product of its digits is 12800, while the sum is 29.

The square root of 442525241 is about 21036.2839161293. The cubic root of 442525241 is about 762.0427736660.

The spelling of 442525241 in words is "four hundred forty-two million, five hundred twenty-five thousand, two hundred forty-one".