2582765 has 16 divisors (see below), whose sum is σ = 3371520. Its totient is φ = 1892160.

The previous prime is 2582761. The next prime is 2582771. The reversal of 2582765 is 5672852.

It is not a de Polignac number, because 2582765 - 2² = 2582761 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 5⁷ + 8⁷ + 2¹⁴ + 7 + 6³ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582761) 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 15 ways as a sum of consecutive naturals, for example, 2507 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (210720).

2^2582765 is an apocalyptic number.

It is an amenable number.

2582765 is a deficient number, since it is larger than the sum of its proper divisors (788755).

2582765 is a wasteful number, since it uses less digits than its factorization.

2582765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its digits is 33600, while the sum is 35.

The square root of 2582765 is about 1607.0983168431. The cubic root of 2582765 is about 137.2023755280.

The spelling of 2582765 in words is "two million, five hundred eighty-two thousand, seven hundred sixty-five".