2641289 has 4 divisors (see below), whose sum is σ = 3018624. Its totient is φ = 2263956.

The previous prime is 2641283. The next prime is 2641313. The reversal of 2641289 is 9821462.

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 2641289 - 2¹⁶ = 2575753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2641283) 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, 188657 + ... + 188670.

It is an arithmetic number, because the mean of its divisors is an integer number (754656).

2^2641289 is an apocalyptic number.

It is an amenable number.

2641289 is a deficient number, since it is larger than the sum of its proper divisors (377335).

2641289 is an equidigital number, since it uses as much as digits as its factorization.

2641289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377334.

The product of its digits is 6912, while the sum is 32.

The square root of 2641289 is about 1625.2042948503. The cubic root of 2641289 is about 138.2309547169.

The spelling of 2641289 in words is "two million, six hundred forty-one thousand, two hundred eighty-nine".