2102017 has 4 divisors (see below), whose sum is σ = 2169856. Its totient is φ = 2034180.

The previous prime is 2101961. The next prime is 2102021. The reversal of 2102017 is 7102012.

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 2102017 - 2¹⁹ = 1577729 is a prime.

It is a Duffinian number.

2102017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2101988 and 2102006.

It is not an unprimeable number, because it can be changed into a prime (2102057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33873 + ... + 33934.

It is an arithmetic number, because the mean of its divisors is an integer number (542464).

2^2102017 is an apocalyptic number.

It is an amenable number.

2102017 is a deficient number, since it is larger than the sum of its proper divisors (67839).

2102017 is an equidigital number, since it uses as much as digits as its factorization.

2102017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67838.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2102017 is about 1449.8334387094. The cubic root of 2102017 is about 128.0989022395.

Adding to 2102017 its reverse (7102012), we get a palindrome (9204029).

The spelling of 2102017 in words is "two million, one hundred two thousand, seventeen".