2579091 has 4 divisors (see below), whose sum is σ = 3438792. Its totient is φ = 1719392.

The previous prime is 2579081. The next prime is 2579111. The reversal of 2579091 is 1909752.

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 2579091 - 2⁷ = 2578963 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2579051) 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, 429846 + ... + 429851.

It is an arithmetic number, because the mean of its divisors is an integer number (859698).

2^2579091 is an apocalyptic number.

2579091 is a deficient number, since it is larger than the sum of its proper divisors (859701).

2579091 is an equidigital number, since it uses as much as digits as its factorization.

2579091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859700.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2579091 is about 1605.9548561526. The cubic root of 2579091 is about 137.1372875652.

The spelling of 2579091 in words is "two million, five hundred seventy-nine thousand, ninety-one".