2175345 has 12 divisors (see below), whose sum is σ = 3770676. Its totient is φ = 1160160.

The previous prime is 2175331. The next prime is 2175353. The reversal of 2175345 is 5435712.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 848241 = 1152^2 + 921^2 .

It is not a de Polignac number, because 2175345 - 2¹⁰ = 2174321 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 7² + 5 + 3² + 4 + 5⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24126 + ... + 24215.

It is an arithmetic number, because the mean of its divisors is an integer number (314223).

2^2175345 is an apocalyptic number.

It is an amenable number.

2175345 is a deficient number, since it is larger than the sum of its proper divisors (1595331).

2175345 is a wasteful number, since it uses less digits than its factorization.

2175345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48352 (or 48349 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2175345 is about 1474.9050816917. The cubic root of 2175345 is about 129.5714686278.

The spelling of 2175345 in words is "two million, one hundred seventy-five thousand, three hundred forty-five".