6432001 has 4 divisors (see below), whose sum is σ = 6810372. Its totient is φ = 6053632.

The previous prime is 6431993. The next prime is 6432011. The reversal of 6432001 is 1002346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002346 = 2 ⋅501173.

It can be written as a sum of positive squares in 2 ways, for example, as 4844401 + 1587600 = 2201^2 + 1260^2 .

It is not a de Polignac number, because 6432001 - 2³ = 6431993 is a prime.

It is a Duffinian number.

6432001 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189160 + ... + 189193.

It is an arithmetic number, because the mean of its divisors is an integer number (1702593).

Almost surely, 2^6432001 is an apocalyptic number.

It is an amenable number.

6432001 is a deficient number, since it is larger than the sum of its proper divisors (378371).

6432001 is a wasteful number, since it uses less digits than its factorization.

6432001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378370.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6432001 is about 2536.1389946137. The cubic root of 6432001 is about 185.9724879337.

Adding to 6432001 its reverse (1002346), we get a palindrome (7434347).

The spelling of 6432001 in words is "six million, four hundred thirty-two thousand, one".