2871173 has 2 divisors, whose sum is σ = 2871174. Its totient is φ = 2871172.

The previous prime is 2871139. The next prime is 2871191. The reversal of 2871173 is 3711782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 368449 = 1582^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871173 - 2¹² = 2867077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2871133) 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, 1435586 + 1435587.

It is an arithmetic number, because the mean of its divisors is an integer number (1435587).

2^2871173 is an apocalyptic number.

It is an amenable number.

2871173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871173 is an equidigital number, since it uses as much as digits as its factorization.

2871173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 29.

The square root of 2871173 is about 1694.4535992467. The cubic root of 2871173 is about 142.1302283455.

The spelling of 2871173 in words is "two million, eight hundred seventy-one thousand, one hundred seventy-three".