2163275 has 6 divisors (see below), whose sum is σ = 2682492. Its totient is φ = 1730600.

The previous prime is 2163263. The next prime is 2163281. The reversal of 2163275 is 5723612.

It is not a de Polignac number, because 2163275 - 2¹⁸ = 1901131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43241 + ... + 43290.

It is an arithmetic number, because the mean of its divisors is an integer number (447082).

2^2163275 is an apocalyptic number.

2163275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2163275 is a deficient number, since it is larger than the sum of its proper divisors (519217).

2163275 is an equidigital number, since it uses as much as digits as its factorization.

2163275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86541 (or 86536 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 2163275 is about 1470.8076012858. The cubic root of 2163275 is about 129.3313796483.

Adding to 2163275 its reverse (5723612), we get a palindrome (7886887).

The spelling of 2163275 in words is "two million, one hundred sixty-three thousand, two hundred seventy-five".