2321001 has 32 divisors (see below), whose sum is σ = 3686400. Its totient is φ = 1440720.

The previous prime is 2320991. The next prime is 2321003. The reversal of 2321001 is 1001232.

It is a happy number.

2321001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2321001 - 2⁷ = 2320873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2321003) 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 in 31 ways as a sum of consecutive naturals, for example, 39310 + ... + 39368.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^2321001 is an apocalyptic number.

It is an amenable number.

2321001 is a deficient number, since it is larger than the sum of its proper divisors (1365399).

2321001 is a wasteful number, since it uses less digits than its factorization.

2321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2321001 is about 1523.4831800844. The cubic root of 2321001 is about 132.4011556627.

Adding to 2321001 its reverse (1001232), we get a palindrome (3322233).

It can be divided in two parts, 232 and 1001, that multiplied together give a palindrome (232232).

The spelling of 2321001 in words is "two million, three hundred twenty-one thousand, one".