2162125 has 24 divisors (see below), whose sum is σ = 3147768. Its totient is φ = 1478400.

The previous prime is 2162119. The next prime is 2162137. The reversal of 2162125 is 5212612.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 2019241 = 378^2 + 1421^2 .

It is not a de Polignac number, because 2162125 - 2⁹ = 2161613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5949 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (131157).

2^2162125 is an apocalyptic number.

2162125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2162125 is a deficient number, since it is larger than the sum of its proper divisors (985643).

2162125 is an equidigital number, since it uses as much as digits as its factorization.

2162125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 365 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 2162125 is about 1470.4166076320. The cubic root of 2162125 is about 129.3084580057.

Adding to 2162125 its reverse (5212612), we get a palindrome (7374737).

The spelling of 2162125 in words is "two million, one hundred sixty-two thousand, one hundred twenty-five".