2758589 has 2 divisors, whose sum is σ = 2758590. Its totient is φ = 2758588.

The previous prime is 2758543. The next prime is 2758631. The reversal of 2758589 is 9858572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 432964 = 1525^2 + 658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2758589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2758519) 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 as a sum of consecutive naturals, namely, 1379294 + 1379295.

It is an arithmetic number, because the mean of its divisors is an integer number (1379295).

2^2758589 is an apocalyptic number.

It is an amenable number.

2758589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758589 is an equidigital number, since it uses as much as digits as its factorization.

2758589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 44.

The square root of 2758589 is about 1660.9000571979. The cubic root of 2758589 is about 140.2476738271.

The spelling of 2758589 in words is "two million, seven hundred fifty-eight thousand, five hundred eighty-nine".