2175132 has 24 divisors (see below), whose sum is σ = 5200272. Its totient is φ = 707200.

The previous prime is 2175127. The next prime is 2175161. The reversal of 2175132 is 2315712.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2175099 and 2175108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (216678).

2^2175132 is an apocalyptic number.

It is an amenable number.

2175132 is an abundant number, since it is smaller than the sum of its proper divisors (3025140).

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

2175132 is a wasteful number, since it uses less digits than its factorization.

2175132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4467 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 2175132 is about 1474.8328718875. The cubic root of 2175132 is about 129.5672394713.

Subtracting from 2175132 its product of digits (420), we obtain a palindrome (2174712).

The spelling of 2175132 in words is "two million, one hundred seventy-five thousand, one hundred thirty-two".