441020501 has 4 divisors (see below), whose sum is σ = 452940012. Its totient is φ = 429100992.

The previous prime is 441020497. The next prime is 441020507. The reversal of 441020501 is 105020144.

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 397803025 + 43217476 = 19945^2 + 6574^2 .

It is a cyclic number.

It is not a de Polignac number, because 441020501 - 2² = 441020497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441020501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441020507) 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, 5959700 + ... + 5959773.

It is an arithmetic number, because the mean of its divisors is an integer number (113235003).

Almost surely, 2^441020501 is an apocalyptic number.

It is an amenable number.

441020501 is a deficient number, since it is larger than the sum of its proper divisors (11919511).

441020501 is a wasteful number, since it uses less digits than its factorization.

441020501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919510.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 441020501 is about 21000.4881133749. The cubic root of 441020501 is about 761.1780558320.

Adding to 441020501 its reverse (105020144), we get a palindrome (546040645).

The spelling of 441020501 in words is "four hundred forty-one million, twenty thousand, five hundred one".