2106453 has 16 divisors (see below), whose sum is σ = 3010176. Its totient is φ = 1305600.

The previous prime is 2106451. The next prime is 2106463. The reversal of 2106453 is 3546012.

It is a happy number.

It is not a de Polignac number, because 2106453 - 2¹ = 2106451 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106451) 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 15 ways as a sum of consecutive naturals, for example, 5053 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (188136).

2^2106453 is an apocalyptic number.

It is an amenable number.

2106453 is a deficient number, since it is larger than the sum of its proper divisors (903723).

2106453 is a wasteful number, since it uses less digits than its factorization.

2106453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2106453 is about 1451.3624633426. The cubic root of 2106453 is about 128.1889502687.

The spelling of 2106453 in words is "two million, one hundred six thousand, four hundred fifty-three".