441421243 has 4 divisors (see below), whose sum is σ = 464653960. Its totient is φ = 418188528.

The previous prime is 441421237. The next prime is 441421283. The reversal of 441421243 is 342124144.

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 441421243 - 2¹³ = 441413051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441421213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11616330 + ... + 11616367.

It is an arithmetic number, because the mean of its divisors is an integer number (116163490).

Almost surely, 2^441421243 is an apocalyptic number.

441421243 is a deficient number, since it is larger than the sum of its proper divisors (23232717).

441421243 is a wasteful number, since it uses less digits than its factorization.

441421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232716.

The product of its digits is 3072, while the sum is 25.

The square root of 441421243 is about 21010.0272013151. The cubic root of 441421243 is about 761.4085391995.

Adding to 441421243 its reverse (342124144), we get a palindrome (783545387).

The spelling of 441421243 in words is "four hundred forty-one million, four hundred twenty-one thousand, two hundred forty-three".