2002641 has 4 divisors (see below), whose sum is σ = 2670192. Its totient is φ = 1335092.

The previous prime is 2002621. The next prime is 2002643. The reversal of 2002641 is 1462002.

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 2002641 - 2⁶ = 2002577 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002641.

It is not an unprimeable number, because it can be changed into a prime (2002643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333771 + ... + 333776.

It is an arithmetic number, because the mean of its divisors is an integer number (667548).

2^2002641 is an apocalyptic number.

It is an amenable number.

2002641 is a deficient number, since it is larger than the sum of its proper divisors (667551).

2002641 is an equidigital number, since it uses as much as digits as its factorization.

2002641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667550.

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

The square root of 2002641 is about 1415.1469888319. The cubic root of 2002641 is about 126.0475381217.

Adding to 2002641 its reverse (1462002), we get a palindrome (3464643).

The spelling of 2002641 in words is "two million, two thousand, six hundred forty-one".