2187875 has 16 divisors (see below), whose sum is σ = 2852928. Its totient is φ = 1672000.

The previous prime is 2187863. The next prime is 2187877. The reversal of 2187875 is 5787812.

It is not a de Polignac number, because 2187875 - 2⁶ = 2187811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2187877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (178308).

2^2187875 is an apocalyptic number.

2187875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2187875 is a deficient number, since it is larger than the sum of its proper divisors (665053).

2187875 is an equidigital number, since it uses as much as digits as its factorization.

2187875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 789 counting only the distinct ones).

The product of its digits is 31360, while the sum is 38.

The square root of 2187875 is about 1479.1467134804. The cubic root of 2187875 is about 129.8197699712.

The spelling of 2187875 in words is "two million, one hundred eighty-seven thousand, eight hundred seventy-five".