2106552 has 32 divisors (see below), whose sum is σ = 6019200. Its totient is φ = 601824.

The previous prime is 2106551. The next prime is 2106563. The reversal of 2106552 is 2556012.

It is a super-2 number, since 2×2106552² = 8875122657408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106551) 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, 6102 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (188100).

2^2106552 is an apocalyptic number.

It is an amenable number.

2106552 is an abundant number, since it is smaller than the sum of its proper divisors (3912648).

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

2106552 is a wasteful number, since it uses less digits than its factorization.

2106552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555 (or 12551 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2106552 is about 1451.3965688260. The cubic root of 2106552 is about 128.1909584640.

The spelling of 2106552 in words is "two million, one hundred six thousand, five hundred fifty-two".