2642001 has 4 divisors (see below), whose sum is σ = 3522672. Its totient is φ = 1761332.

The previous prime is 2641993. The next prime is 2642039. The reversal of 2642001 is 1002462.

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 2642001 - 2³ = 2641993 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2642041) 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, 440331 + ... + 440336.

It is an arithmetic number, because the mean of its divisors is an integer number (880668).

2^2642001 is an apocalyptic number.

It is an amenable number.

2642001 is a deficient number, since it is larger than the sum of its proper divisors (880671).

2642001 is an equidigital number, since it uses as much as digits as its factorization.

2642001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880670.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2642001 is about 1625.4233294745. The cubic root of 2642001 is about 138.2433743597.

Adding to 2642001 its reverse (1002462), we get a palindrome (3644463).

The spelling of 2642001 in words is "two million, six hundred forty-two thousand, one".