441242243 has 4 divisors (see below), whose sum is σ = 475183968. Its totient is φ = 407300520.

The previous prime is 441242239. The next prime is 441242267. The reversal of 441242243 is 342242144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 441242243 - 2² = 441242239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441242273) 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, 16970843 + ... + 16970868.

It is an arithmetic number, because the mean of its divisors is an integer number (118795992).

Almost surely, 2^441242243 is an apocalyptic number.

441242243 is a deficient number, since it is larger than the sum of its proper divisors (33941725).

441242243 is a wasteful number, since it uses less digits than its factorization.

441242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33941724.

The product of its digits is 6144, while the sum is 26.

The square root of 441242243 is about 21005.7668986400. The cubic root of 441242243 is about 761.3056061114.

Adding to 441242243 its reverse (342242144), we get a palindrome (783484387).

Subtracting from 441242243 its reverse (342242144), we obtain a palindrome (99000099).

The spelling of 441242243 in words is "four hundred forty-one million, two hundred forty-two thousand, two hundred forty-three".