2582239 has 4 divisors (see below), whose sum is σ = 2817000. Its totient is φ = 2347480.

The previous prime is 2582219. The next prime is 2582243. The reversal of 2582239 is 9322852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2582239 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2582239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582219) 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, 117364 + ... + 117385.

It is an arithmetic number, because the mean of its divisors is an integer number (704250).

2^2582239 is an apocalyptic number.

2582239 is a deficient number, since it is larger than the sum of its proper divisors (234761).

2582239 is a wasteful number, since it uses less digits than its factorization.

2582239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234760.

The product of its digits is 8640, while the sum is 31.

The square root of 2582239 is about 1606.9346595304. The cubic root of 2582239 is about 137.1930607885.

The spelling of 2582239 in words is "two million, five hundred eighty-two thousand, two hundred thirty-nine".