2584139 has 4 divisors (see below), whose sum is σ = 2588256. Its totient is φ = 2580024.

The previous prime is 2584111. The next prime is 2584147. The reversal of 2584139 is 9314852.

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 2584139 - 2²⁰ = 1535563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2584159) 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 3 ways as a sum of consecutive naturals, for example, 899 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (647064).

2^2584139 is an apocalyptic number.

2584139 is a deficient number, since it is larger than the sum of its proper divisors (4117).

2584139 is an equidigital number, since it uses as much as digits as its factorization.

2584139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its digits is 8640, while the sum is 32.

The square root of 2584139 is about 1607.5257385187. The cubic root of 2584139 is about 137.2267012209.

The spelling of 2584139 in words is "two million, five hundred eighty-four thousand, one hundred thirty-nine".