4481001 has 30 divisors (see below), whose sum is σ = 7793610. Its totient is φ = 2558304.

The previous prime is 4480981. The next prime is 4481003. The reversal of 4481001 is 1001844.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 1587600 = 1701^2 + 1260^2 .

It is not a de Polignac number, because 4481001 - 2¹⁸ = 4218857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4481003) 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 29 ways as a sum of consecutive naturals, for example, 3405 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (259787).

Almost surely, 2^4481001 is an apocalyptic number.

It is an amenable number.

4481001 is a deficient number, since it is larger than the sum of its proper divisors (3312609).

4481001 is a wasteful number, since it uses less digits than its factorization.

4481001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4481001 is about 2116.8374996678. The cubic root of 4481001 is about 164.8636890738.

Adding to 4481001 its reverse (1001844), we get a palindrome (5482845).

The spelling of 4481001 in words is "four million, four hundred eighty-one thousand, one".