2179259 has 4 divisors (see below), whose sum is σ = 2195304. Its totient is φ = 2163216.

The previous prime is 2179253. The next prime is 2179271. The reversal of 2179259 is 9529712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179253) 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, 7817 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (548826).

2^2179259 is an apocalyptic number.

2179259 is a deficient number, since it is larger than the sum of its proper divisors (16045).

2179259 is a wasteful number, since it uses less digits than its factorization.

2179259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044.

The product of its digits is 11340, while the sum is 35.

The square root of 2179259 is about 1476.2313504326. The cubic root of 2179259 is about 129.6491327642.

The spelling of 2179259 in words is "two million, one hundred seventy-nine thousand, two hundred fifty-nine".