2179589 has 2 divisors, whose sum is σ = 2179590. Its totient is φ = 2179588.

The previous prime is 2179571. The next prime is 2179603. The reversal of 2179589 is 9859712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 134689 = 1430^2 + 367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089794 + 1089795.

It is an arithmetic number, because the mean of its divisors is an integer number (1089795).

2^2179589 is an apocalyptic number.

It is an amenable number.

2179589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179589 is an equidigital number, since it uses as much as digits as its factorization.

2179589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 2179589 is about 1476.3431173003. The cubic root of 2179589 is about 129.6556765871.

The spelling of 2179589 in words is "two million, one hundred seventy-nine thousand, five hundred eighty-nine".