2659321 has 4 divisors (see below), whose sum is σ = 3039232. Its totient is φ = 2279412.

The previous prime is 2659309. The next prime is 2659331. The reversal of 2659321 is 1239562.

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 2659321 - 2⁵ = 2659289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2659321.

It is not an unprimeable number, because it can be changed into a prime (2659331) 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, 189945 + ... + 189958.

It is an arithmetic number, because the mean of its divisors is an integer number (759808).

2^2659321 is an apocalyptic number.

It is an amenable number.

2659321 is a deficient number, since it is larger than the sum of its proper divisors (379911).

2659321 is an equidigital number, since it uses as much as digits as its factorization.

2659321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379910.

The product of its digits is 3240, while the sum is 28.

The square root of 2659321 is about 1630.7424689386. The cubic root of 2659321 is about 138.5448077554.

The spelling of 2659321 in words is "two million, six hundred fifty-nine thousand, three hundred twenty-one".