2579279 has 4 divisors (see below), whose sum is σ = 2588376. Its totient is φ = 2570184.

The previous prime is 2579273. The next prime is 2579287. The reversal of 2579279 is 9729752.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2579279 - 2²⁰ = 1530703 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁹ + 7⁵ + 9⁵ + 2¹¹ + 7⁵ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579273) 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, 4109 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (647094).

2^2579279 is an apocalyptic number.

2579279 is a deficient number, since it is larger than the sum of its proper divisors (9097).

2579279 is an equidigital number, since it uses as much as digits as its factorization.

2579279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096.

The product of its digits is 79380, while the sum is 41.

The square root of 2579279 is about 1606.0133872418. The cubic root of 2579279 is about 137.1406196415.

The spelling of 2579279 in words is "two million, five hundred seventy-nine thousand, two hundred seventy-nine".