2582105 has 4 divisors (see below), whose sum is σ = 3098532. Its totient is φ = 2065680.

The previous prime is 2582093. The next prime is 2582143. The reversal of 2582105 is 5012852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1713481 + 868624 = 1309^2 + 932^2 .

It is not a de Polignac number, because 2582105 - 2⁴ = 2582089 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258206 + ... + 258215.

It is an arithmetic number, because the mean of its divisors is an integer number (774633).

2^2582105 is an apocalyptic number.

It is an amenable number.

2582105 is a deficient number, since it is larger than the sum of its proper divisors (516427).

2582105 is an equidigital number, since it uses as much as digits as its factorization.

2582105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516426.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2582105 is about 1606.8929646993. The cubic root of 2582105 is about 137.1906876299.

Adding to 2582105 its sum of digits (23), we get a triangular number (2582128 = T₂₂₇₂).

Adding to 2582105 its reverse (5012852), we get a palindrome (7594957).

The spelling of 2582105 in words is "two million, five hundred eighty-two thousand, one hundred five".