2102587 has 4 divisors (see below), whose sum is σ = 2175120. Its totient is φ = 2030056.

The previous prime is 2102579. The next prime is 2102593. The reversal of 2102587 is 7852012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102587 - 2³ = 2102579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36223 + ... + 36280.

It is an arithmetic number, because the mean of its divisors is an integer number (543780).

2^2102587 is an apocalyptic number.

2102587 is a deficient number, since it is larger than the sum of its proper divisors (72533).

2102587 is an equidigital number, since it uses as much as digits as its factorization.

2102587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72532.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2102587 is about 1450.0299996897. The cubic root of 2102587 is about 128.1104799726.

Adding to 2102587 its reverse (7852012), we get a palindrome (9954599).

It can be divided in two parts, 21025 and 87, that added together give a palindrome (21112).

The spelling of 2102587 in words is "two million, one hundred two thousand, five hundred eighty-seven".