2164475 has 6 divisors (see below), whose sum is σ = 2683980. Its totient is φ = 1731560.

The previous prime is 2164471. The next prime is 2164483. The reversal of 2164475 is 5744612.

2164475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2164475 - 2² = 2164471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43265 + ... + 43314.

It is an arithmetic number, because the mean of its divisors is an integer number (447330).

2^2164475 is an apocalyptic number.

2164475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2164475 is a deficient number, since it is larger than the sum of its proper divisors (519505).

2164475 is an equidigital number, since it uses as much as digits as its factorization.

2164475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86589 (or 86584 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 2164475 is about 1471.2154838772. The cubic root of 2164475 is about 129.3552892249.

The spelling of 2164475 in words is "two million, one hundred sixty-four thousand, four hundred seventy-five".