2871253 has 16 divisors (see below), whose sum is σ = 3657600. Its totient is φ = 2234400.

The previous prime is 2871233. The next prime is 2871257. The reversal of 2871253 is 3521782.

It is not a de Polignac number, because 2871253 - 2⁵ = 2871221 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 (2871257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (228600).

2^2871253 is an apocalyptic number.

It is an amenable number.

2871253 is a deficient number, since it is larger than the sum of its proper divisors (786347).

2871253 is an equidigital number, since it uses as much as digits as its factorization.

2871253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 779 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 2871253 is about 1694.4772055121. The cubic root of 2871253 is about 142.1315483998.

It can be divided in two parts, 287 and 1253, that added together give a triangular number (1540 = T₅₅).

The spelling of 2871253 in words is "two million, eight hundred seventy-one thousand, two hundred fifty-three".