441616501 has 4 divisors (see below), whose sum is σ = 441659052. Its totient is φ = 441573952.

The previous prime is 441616477. The next prime is 441616519. The reversal of 441616501 is 105616144.

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 2 ways, for example, as 286489476 + 155127025 = 16926^2 + 12455^2 .

It is a cyclic number.

It is not a de Polignac number, because 441616501 - 2⁹ = 441615989 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 441616501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441616561) 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, 5661 + ... + 30253.

It is an arithmetic number, because the mean of its divisors is an integer number (110414763).

Almost surely, 2^441616501 is an apocalyptic number.

It is an amenable number.

441616501 is a deficient number, since it is larger than the sum of its proper divisors (42551).

441616501 is a wasteful number, since it uses less digits than its factorization.

441616501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 441616501 is about 21014.6734687932. The cubic root of 441616501 is about 761.5207896446.

The spelling of 441616501 in words is "four hundred forty-one million, six hundred sixteen thousand, five hundred one".