2102773 has 4 divisors (see below), whose sum is σ = 2110860. Its totient is φ = 2094688.

The previous prime is 2102759. The next prime is 2102777. The reversal of 2102773 is 3772012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 2053489 = 222^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102773 - 2⁵ = 2102741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102777) 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, 3640 + ... + 4177.

It is an arithmetic number, because the mean of its divisors is an integer number (527715).

2^2102773 is an apocalyptic number.

It is an amenable number.

2102773 is a deficient number, since it is larger than the sum of its proper divisors (8087).

2102773 is an equidigital number, since it uses as much as digits as its factorization.

2102773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2102773 is about 1450.0941348754. The cubic root of 2102773 is about 128.1142575169.

Adding to 2102773 its reverse (3772012), we get a palindrome (5874785).

The spelling of 2102773 in words is "two million, one hundred two thousand, seven hundred seventy-three".