4431001 has 2 divisors, whose sum is σ = 4431002. Its totient is φ = 4431000.

The previous prime is 4430969. The next prime is 4431017. The reversal of 4431001 is 1001344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 1537600 = 1701^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431001 - 2⁵ = 4430969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4431901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215500 + 2215501.

It is an arithmetic number, because the mean of its divisors is an integer number (2215501).

Almost surely, 2^4431001 is an apocalyptic number.

It is an amenable number.

4431001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431001 is an equidigital number, since it uses as much as digits as its factorization.

4431001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4431001 is about 2104.9942992797. The cubic root of 4431001 is about 164.2481989413.

Adding to 4431001 its reverse (1001344), we get a palindrome (5432345).

It can be divided in two parts, 443 and 1001, that added together give a square (1444 = 38²).

The spelling of 4431001 in words is "four million, four hundred thirty-one thousand, one".