441613331 has 4 divisors (see below), whose sum is σ = 449945712. Its totient is φ = 433280952.

The previous prime is 441613327. The next prime is 441613357. The reversal of 441613331 is 133316144.

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 441613331 - 2² = 441613327 is a prime.

It is a super-2 number, since 2×441613331² = 390044668233831122, which contains 22 as substring.

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 441613331.

It is not an unprimeable number, because it can be changed into a prime (441613231) 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, 4166111 + ... + 4166216.

It is an arithmetic number, because the mean of its divisors is an integer number (112486428).

Almost surely, 2^441613331 is an apocalyptic number.

441613331 is a deficient number, since it is larger than the sum of its proper divisors (8332381).

441613331 is an equidigital number, since it uses as much as digits as its factorization.

441613331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332380.

The product of its digits is 2592, while the sum is 26.

The square root of 441613331 is about 21014.5980451685. The cubic root of 441613331 is about 761.5189675307.

Adding to 441613331 its reverse (133316144), we get a palindrome (574929475).

The spelling of 441613331 in words is "four hundred forty-one million, six hundred thirteen thousand, three hundred thirty-one".