2132556 has 24 divisors (see below), whose sum is σ = 5048064. Its totient is φ = 700560.

The previous prime is 2132551. The next prime is 2132563. The reversal of 2132556 is 6552312.

It is a d-powerful number, because it can be written as 2⁶ + 1 + 3⁹ + 2²¹ + 5² + 5⁶ + 6 .

It is not an unprimeable number, because it can be changed into a prime (2132551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (210336).

2^2132556 is an apocalyptic number.

It is an amenable number.

2132556 is an abundant number, since it is smaller than the sum of its proper divisors (2915508).

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

2132556 is a wasteful number, since it uses less digits than its factorization.

2132556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2579 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 2132556 is about 1460.3273605600. The cubic root of 2132556 is about 128.7162804838.

Adding to 2132556 its reverse (6552312), we get a palindrome (8684868).

The spelling of 2132556 in words is "two million, one hundred thirty-two thousand, five hundred fifty-six".