441621313 has 32 divisors (see below), whose sum is σ = 545126400. Its totient is φ = 349380864.

The previous prime is 441621287. The next prime is 441621343. The reversal of 441621313 is 313126144.

It is not a de Polignac number, because 441621313 - 2⁹ = 441620801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441621343) 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 31 ways as a sum of consecutive naturals, for example, 1310281 + ... + 1310617.

It is an arithmetic number, because the mean of its divisors is an integer number (17035200).

Almost surely, 2^441621313 is an apocalyptic number.

It is an amenable number.

441621313 is a deficient number, since it is larger than the sum of its proper divisors (103505087).

441621313 is a wasteful number, since it uses less digits than its factorization.

441621313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its digits is 1728, while the sum is 25.

The square root of 441621313 is about 21014.7879599105. The cubic root of 441621313 is about 761.5235555623.

Adding to 441621313 its reverse (313126144), we get a palindrome (754747457).

The spelling of 441621313 in words is "four hundred forty-one million, six hundred twenty-one thousand, three hundred thirteen".