2128532 has 24 divisors (see below), whose sum is σ = 4482240. Its totient is φ = 864000.

The previous prime is 2128531. The next prime is 2128547. The reversal of 2128532 is 2358212.

It is a junction number, because it is equal to n+sod(n) for n = 2128498 and 2128507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (186760).

2^2128532 is an apocalyptic number.

It is an amenable number.

2128532 is an abundant number, since it is smaller than the sum of its proper divisors (2353708).

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

2128532 is a wasteful number, since it uses less digits than its factorization.

2128532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4029 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2128532 is about 1458.9489367349. The cubic root of 2128532 is about 128.6352696471.

It can be divided in two parts, 2128 and 532, that multiplied together give a square (1132096 = 1064²).

The spelling of 2128532 in words is "two million, one hundred twenty-eight thousand, five hundred thirty-two".