2662589 has 4 divisors (see below), whose sum is σ = 2706300. Its totient is φ = 2618880.

The previous prime is 2662567. The next prime is 2662601. The reversal of 2662589 is 9852662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9852662 = 2 ⋅4926331.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 2088025 = 758^2 + 1445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662789) 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, 21764 + ... + 21885.

It is an arithmetic number, because the mean of its divisors is an integer number (676575).

2^2662589 is an apocalyptic number.

It is an amenable number.

2662589 is a deficient number, since it is larger than the sum of its proper divisors (43711).

2662589 is an equidigital number, since it uses as much as digits as its factorization.

2662589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710.

The product of its digits is 51840, while the sum is 38.

The square root of 2662589 is about 1631.7441588681. The cubic root of 2662589 is about 138.6015364082.

The spelling of 2662589 in words is "two million, six hundred sixty-two thousand, five hundred eighty-nine".