2179459 has 2 divisors, whose sum is σ = 2179460. Its totient is φ = 2179458.

The previous prime is 2179399. The next prime is 2179477. The reversal of 2179459 is 9549712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2179459 - 2⁹ = 2178947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2179759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089729 + 1089730.

It is an arithmetic number, because the mean of its divisors is an integer number (1089730).

2^2179459 is an apocalyptic number.

2179459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179459 is an equidigital number, since it uses as much as digits as its factorization.

2179459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 2179459 is about 1476.2990889383. The cubic root of 2179459 is about 129.6530987963.

The spelling of 2179459 in words is "two million, one hundred seventy-nine thousand, four hundred fifty-nine".