441020243 has 4 divisors (see below), whose sum is σ = 441074688. Its totient is φ = 440965800.

The previous prime is 441020219. The next prime is 441020249. The reversal of 441020243 is 342020144.

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 441020243 - 2¹⁴ = 441003859 is a prime.

It is a super-3 number, since 3×441020243³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441020249) 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, 12371 + ... + 32172.

It is an arithmetic number, because the mean of its divisors is an integer number (110268672).

Almost surely, 2^441020243 is an apocalyptic number.

441020243 is a deficient number, since it is larger than the sum of its proper divisors (54445).

441020243 is an equidigital number, since it uses as much as digits as its factorization.

441020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54444.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 441020243 is about 21000.4819706596. The cubic root of 441020243 is about 761.1779074005.

Adding to 441020243 its reverse (342020144), we get a palindrome (783040387).

Subtracting from 441020243 its reverse (342020144), we obtain a palindrome (99000099).

The spelling of 441020243 in words is "four hundred forty-one million, twenty thousand, two hundred forty-three".