2582155 has 4 divisors (see below), whose sum is σ = 3098592. Its totient is φ = 2065720.

The previous prime is 2582149. The next prime is 2582159. The reversal of 2582155 is 5512852.

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

It is not a de Polignac number, because 2582155 - 2⁹ = 2581643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2582159) 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, 258211 + ... + 258220.

It is an arithmetic number, because the mean of its divisors is an integer number (774648).

2^2582155 is an apocalyptic number.

2582155 is a deficient number, since it is larger than the sum of its proper divisors (516437).

2582155 is an equidigital number, since it uses as much as digits as its factorization.

2582155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516436.

The product of its digits is 4000, while the sum is 28.

The square root of 2582155 is about 1606.9085225986. The cubic root of 2582155 is about 137.1915731465.

The spelling of 2582155 in words is "two million, five hundred eighty-two thousand, one hundred fifty-five".