2121532 has 24 divisors (see below), whose sum is σ = 4493664. Its totient is φ = 855552.

The previous prime is 2121529. The next prime is 2121569. The reversal of 2121532 is 2351212.

2121532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 1753 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (187236).

2^2121532 is an apocalyptic number.

It is an amenable number.

2121532 is an abundant number, since it is smaller than the sum of its proper divisors (2372132).

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

2121532 is a wasteful number, since it uses less digits than its factorization.

2121532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4483 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 2121532 is about 1456.5479738066. The cubic root of 2121532 is about 128.4941025924.

Adding to 2121532 its reverse (2351212), we get a palindrome (4472744).

The spelling of 2121532 in words is "two million, one hundred twenty-one thousand, five hundred thirty-two".