2152587 has 4 divisors (see below), whose sum is σ = 2870120. Its totient is φ = 1435056.

The previous prime is 2152571. The next prime is 2152589. The reversal of 2152587 is 7852512.

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

It is not a de Polignac number, because 2152587 - 2⁴ = 2152571 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152589) 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, 358762 + ... + 358767.

It is an arithmetic number, because the mean of its divisors is an integer number (717530).

2^2152587 is an apocalyptic number.

2152587 is a deficient number, since it is larger than the sum of its proper divisors (717533).

2152587 is an equidigital number, since it uses as much as digits as its factorization.

2152587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717532.

The product of its digits is 5600, while the sum is 30.

The square root of 2152587 is about 1467.1697243332. The cubic root of 2152587 is about 129.1180339056.

It can be divided in two parts, 21525 and 87, that added together give a palindrome (21612).

The spelling of 2152587 in words is "two million, one hundred fifty-two thousand, five hundred eighty-seven".