2159875 has 16 divisors (see below), whose sum is σ = 2774304. Its totient is φ = 1677600.

The previous prime is 2159831. The next prime is 2159881. The reversal of 2159875 is 5789512.

It is not a de Polignac number, because 2159875 - 2⁹ = 2159363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

2^2159875 is an apocalyptic number.

2159875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2159875 is a deficient number, since it is larger than the sum of its proper divisors (614429).

2159875 is an equidigital number, since it uses as much as digits as its factorization.

2159875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The square root of 2159875 is about 1469.6513191911. The cubic root of 2159875 is about 129.2635877951.

The spelling of 2159875 in words is "two million, one hundred fifty-nine thousand, eight hundred seventy-five".