2579995 has 16 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 1843200.

The previous prime is 2579989. The next prime is 2579999. The reversal of 2579995 is 5999752.

It is not a de Polignac number, because 2579995 - 2⁵ = 2579963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579999) 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 in 15 ways as a sum of consecutive naturals, for example, 2971 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

2^2579995 is an apocalyptic number.

2579995 is a deficient number, since it is larger than the sum of its proper divisors (857285).

2579995 is a wasteful number, since it uses less digits than its factorization.

2579995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 255150, while the sum is 46.

The square root of 2579995 is about 1606.2362839881. The cubic root of 2579995 is about 137.1533084070.

The spelling of 2579995 in words is "two million, five hundred seventy-nine thousand, nine hundred ninety-five".