2582191 has 4 divisors (see below), whose sum is σ = 2624584. Its totient is φ = 2539800.

The previous prime is 2582171. The next prime is 2582197. The reversal of 2582191 is 1912852.

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 2582191 - 2⁵ = 2582159 is a prime.

It is a Duffinian number.

2582191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582197) 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, 21105 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (656146).

2^2582191 is an apocalyptic number.

2582191 is a deficient number, since it is larger than the sum of its proper divisors (42393).

2582191 is an equidigital number, since it uses as much as digits as its factorization.

2582191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42392.

The product of its digits is 1440, while the sum is 28.

The square root of 2582191 is about 1606.9197241928. The cubic root of 2582191 is about 137.1922107113.

The spelling of 2582191 in words is "two million, five hundred eighty-two thousand, one hundred ninety-one".