2582642 has 4 divisors (see below), whose sum is σ = 3873966. Its totient is φ = 1291320.

The previous prime is 2582627. The next prime is 2582663. The reversal of 2582642 is 2462852.

2582642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2493241 + 89401 = 1579^2 + 299^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645659 + ... + 645662.

2^2582642 is an apocalyptic number.

2582642 is a deficient number, since it is larger than the sum of its proper divisors (1291324).

2582642 is a wasteful number, since it uses less digits than its factorization.

2582642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291323.

The product of its digits is 7680, while the sum is 29.

The square root of 2582642 is about 1607.0600486603. The cubic root of 2582642 is about 137.2001974798.

The spelling of 2582642 in words is "two million, five hundred eighty-two thousand, six hundred forty-two".