441042001 has 3 divisors (see below), whose sum is σ = 441063003. Its totient is φ = 441021000.

The previous prime is 441041963. The next prime is 441042011. The reversal of 441042001 is 100240144.

The square root of 441042001 is 21001.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 95082001 + 345960000 = 9751^2 + 18600^2 .

It is not a de Polignac number, because 441042001 - 2⁷ = 441041873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441042011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10501 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (147021001).

Almost surely, 2^441042001 is an apocalyptic number.

441042001 is the 21001-st square number.

441042001 is the 10501-st centered octagonal number.

It is an amenable number.

441042001 is a deficient number, since it is larger than the sum of its proper divisors (21002).

441042001 is an frugal number, since it uses more digits than its factorization.

441042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42002 (or 21001 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The cubic root of 441042001 is about 761.1904249185.

Multiplying 441042001 by its sum of digits (16), we get a square (7056672016 = 84004²).

Adding to 441042001 its reverse (100240144), we get a palindrome (541282145).

The spelling of 441042001 in words is "four hundred forty-one million, forty-two thousand, one".