2871265 has 8 divisors (see below), whose sum is σ = 3469248. Its totient is φ = 2281200.

The previous prime is 2871257. The next prime is 2871287. The reversal of 2871265 is 5621782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2871265 - 2³ = 2871257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (433656).

2^2871265 is an apocalyptic number.

It is an amenable number.

2871265 is a deficient number, since it is larger than the sum of its proper divisors (597983).

2871265 is a wasteful number, since it uses less digits than its factorization.

2871265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its digits is 6720, while the sum is 31.

The square root of 2871265 is about 1694.4807464235. The cubic root of 2871265 is about 142.1317464058.

It can be divided in two parts, 2871 and 265, that added together give a square (3136 = 56²).

The spelling of 2871265 in words is "two million, eight hundred seventy-one thousand, two hundred sixty-five".