2816173 has 2 divisors, whose sum is σ = 2816174. Its totient is φ = 2816172.

The previous prime is 2816171. The next prime is 2816197. The reversal of 2816173 is 3716182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 3844 = 1677^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 2816173 - 2¹ = 2816171 is a prime.

Together with 2816171, it forms a pair of twin primes.

2816173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2816171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408086 + 1408087.

It is an arithmetic number, because the mean of its divisors is an integer number (1408087).

2^2816173 is an apocalyptic number.

It is an amenable number.

2816173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816173 is an equidigital number, since it uses as much as digits as its factorization.

2816173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 2816173 is about 1678.1457028518. The cubic root of 2816173 is about 141.2168251638.

Subtracting 2816173 from its reverse (3716182), we obtain a palindrome (900009).

The spelling of 2816173 in words is "two million, eight hundred sixteen thousand, one hundred seventy-three".