2587138 has 16 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 1241856.

The previous prime is 2587129. The next prime is 2587139. The reversal of 2587138 is 8317852.

It is not an unprimeable number, because it can be changed into a prime (2587139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5538 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (252450).

2^2587138 is an apocalyptic number.

2587138 is a deficient number, since it is larger than the sum of its proper divisors (1452062).

2587138 is a wasteful number, since it uses less digits than its factorization.

2587138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 13440, while the sum is 34.

The square root of 2587138 is about 1608.4582680318. The cubic root of 2587138 is about 137.2797664488.

It can be divided in two parts, 258 and 7138, that added together give a square (7396 = 86²).

The spelling of 2587138 in words is "two million, five hundred eighty-seven thousand, one hundred thirty-eight".