2125165 has 8 divisors (see below), whose sum is σ = 2914560. Its totient is φ = 1457232.

The previous prime is 2125163. The next prime is 2125181. The reversal of 2125165 is 5615212.

2125165 = 87² + 88² + ... + 191².

2125165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125165 - 2¹ = 2125163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125163) 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 7 ways as a sum of consecutive naturals, for example, 30325 + ... + 30394.

It is an arithmetic number, because the mean of its divisors is an integer number (364320).

2^2125165 is an apocalyptic number.

It is an amenable number.

2125165 is a deficient number, since it is larger than the sum of its proper divisors (789395).

2125165 is an equidigital number, since it uses as much as digits as its factorization.

2125165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60731.

The product of its digits is 600, while the sum is 22.

The square root of 2125165 is about 1457.7945671459. The cubic root of 2125165 is about 128.5674069877.

It can be divided in two parts, 212516 and 5, that added together give a square (212521 = 461²).

The spelling of 2125165 in words is "two million, one hundred twenty-five thousand, one hundred sixty-five".