2101683 has 4 divisors (see below), whose sum is σ = 2802248. Its totient is φ = 1401120.

The previous prime is 2101681. The next prime is 2101703. The reversal of 2101683 is 3861012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2101683 - 2¹ = 2101681 is a prime.

It is a super-3 number, since 3×2101683³ = 27849851818343336961, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101681) 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, 350278 + ... + 350283.

It is an arithmetic number, because the mean of its divisors is an integer number (700562).

2^2101683 is an apocalyptic number.

2101683 is a deficient number, since it is larger than the sum of its proper divisors (700565).

2101683 is an equidigital number, since it uses as much as digits as its factorization.

2101683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700564.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2101683 is about 1449.7182484883. The cubic root of 2101683 is about 128.0921171216.

Adding to 2101683 its reverse (3861012), we get a palindrome (5962695).

The spelling of 2101683 in words is "two million, one hundred one thousand, six hundred eighty-three".