441321601 has 4 divisors (see below), whose sum is σ = 504367552. Its totient is φ = 378275652.

The previous prime is 441321589. The next prime is 441321653. The reversal of 441321601 is 106123144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 441321601 - 2²⁵ = 407767169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441321691) 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, 31522965 + ... + 31522978.

It is an arithmetic number, because the mean of its divisors is an integer number (126091888).

Almost surely, 2^441321601 is an apocalyptic number.

It is an amenable number.

441321601 is a deficient number, since it is larger than the sum of its proper divisors (63045951).

441321601 is an equidigital number, since it uses as much as digits as its factorization.

441321601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63045950.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 441321601 is about 21007.6557711707. The cubic root of 441321601 is about 761.3512439816.

Adding to 441321601 its reverse (106123144), we get a palindrome (547444745).

The spelling of 441321601 in words is "four hundred forty-one million, three hundred twenty-one thousand, six hundred one".