2582842 has 4 divisors (see below), whose sum is σ = 3874266. Its totient is φ = 1291420.

The previous prime is 2582837. The next prime is 2582863. The reversal of 2582842 is 2482852.

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., 2405601 + 177241 = 1551^2 + 421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645709 + ... + 645712.

2^2582842 is an apocalyptic number.

2582842 is a deficient number, since it is larger than the sum of its proper divisors (1291424).

2582842 is a wasteful number, since it uses less digits than its factorization.

2582842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291423.

The product of its digits is 10240, while the sum is 31.

The square root of 2582842 is about 1607.1222728841. The cubic root of 2582842 is about 137.2037389864.

The spelling of 2582842 in words is "two million, five hundred eighty-two thousand, eight hundred forty-two".