2582987 has 6 divisors (see below), whose sum is σ = 2839284. Its totient is φ = 2348060.

The previous prime is 2582981. The next prime is 2582999. The reversal of 2582987 is 7892852.

It is a happy number.

It is not a de Polignac number, because 2582987 - 2⁴ = 2582971 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 5⁹ + 8² + 2¹⁶ + 9⁶ + 8⁵ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2582981) 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 5 ways as a sum of consecutive naturals, for example, 10553 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (473214).

2^2582987 is an apocalyptic number.

2582987 is a deficient number, since it is larger than the sum of its proper divisors (256297).

2582987 is a wasteful number, since it uses less digits than its factorization.

2582987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21369 (or 21358 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 2582987 is about 1607.1673839398. The cubic root of 2582987 is about 137.2063064644.

The spelling of 2582987 in words is "two million, five hundred eighty-two thousand, nine hundred eighty-seven".