2052101 has 4 divisors (see below), whose sum is σ = 2085804. Its totient is φ = 2018400.

The previous prime is 2052097. The next prime is 2052109. The reversal of 2052101 is 1012502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1012502 = 2 ⋅506251.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 1288225 = 874^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052101 - 2² = 2052097 is a prime.

It is a super-2 number, since 2×2052101² = 8422237028402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052109) 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, 16760 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (521451).

2^2052101 is an apocalyptic number.

It is an amenable number.

2052101 is a deficient number, since it is larger than the sum of its proper divisors (33703).

2052101 is an equidigital number, since it uses as much as digits as its factorization.

2052101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33702.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2052101 is about 1432.5156194611. The cubic root of 2052101 is about 127.0767923774.

Adding to 2052101 its reverse (1012502), we get a palindrome (3064603).

The spelling of 2052101 in words is "two million, fifty-two thousand, one hundred one".