2106613 has 4 divisors (see below), whose sum is σ = 2155648. Its totient is φ = 2057580.

The previous prime is 2106563. The next prime is 2106617. The reversal of 2106613 is 3166012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2106613 - 2²¹ = 9461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24453 + ... + 24538.

It is an arithmetic number, because the mean of its divisors is an integer number (538912).

2^2106613 is an apocalyptic number.

It is an amenable number.

2106613 is a deficient number, since it is larger than the sum of its proper divisors (49035).

2106613 is an equidigital number, since it uses as much as digits as its factorization.

2106613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49034.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2106613 is about 1451.4175829168. The cubic root of 2106613 is about 128.1921958056.

The spelling of 2106613 in words is "two million, one hundred six thousand, six hundred thirteen".