2115587 has 8 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 2054920.

The previous prime is 2115571. The next prime is 2115629. The reversal of 2115587 is 7855112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2115587 - 2⁴ = 2115571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5714 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

2^2115587 is an apocalyptic number.

2115587 is a deficient number, since it is larger than the sum of its proper divisors (61693).

2115587 is an equidigital number, since it uses as much as digits as its factorization.

2115587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 2800, while the sum is 29.

The square root of 2115587 is about 1454.5057579810. The cubic root of 2115587 is about 128.3739673805.

The spelling of 2115587 in words is "two million, one hundred fifteen thousand, five hundred eighty-seven".