2641659 has 4 divisors (see below), whose sum is σ = 3522216. Its totient is φ = 1761104.

The previous prime is 2641657. The next prime is 2641663. The reversal of 2641659 is 9561462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2641659 - 2¹ = 2641657 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2641657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440274 + ... + 440279.

It is an arithmetic number, because the mean of its divisors is an integer number (880554).

2^2641659 is an apocalyptic number.

2641659 is a deficient number, since it is larger than the sum of its proper divisors (880557).

2641659 is an equidigital number, since it uses as much as digits as its factorization.

2641659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880556.

The product of its digits is 12960, while the sum is 33.

The square root of 2641659 is about 1625.3181227071. The cubic root of 2641659 is about 138.2374090233.

The spelling of 2641659 in words is "two million, six hundred forty-one thousand, six hundred fifty-nine".