2175056 has 20 divisors (see below), whose sum is σ = 4538772. Its totient is φ = 1003776.

The previous prime is 2175023. The next prime is 2175059. The reversal of 2175056 is 6505712.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 1000000 = 1084^2 + 1000^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021 + ... + 5436.

2^2175056 is an apocalyptic number.

2175056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2175056 is an abundant number, since it is smaller than the sum of its proper divisors (2363716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2175056 is a wasteful number, since it uses less digits than its factorization.

2175056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478 (or 10472 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2175056 is about 1474.8071060312. The cubic root of 2175056 is about 129.5657304096.

The spelling of 2175056 in words is "two million, one hundred seventy-five thousand, fifty-six".