2871513 has 6 divisors (see below), whose sum is σ = 4147754. Its totient is φ = 1914336.

The previous prime is 2871509. The next prime is 2871563. The reversal of 2871513 is 3151782.

It can be written as a sum of positive squares in only one way, i.e., 2862864 + 8649 = 1692^2 + 93^2 .

It is not a de Polignac number, because 2871513 - 2² = 2871509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2871503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159520 + ... + 159537.

2^2871513 is an apocalyptic number.

It is an amenable number.

2871513 is a deficient number, since it is larger than the sum of its proper divisors (1276241).

2871513 is a wasteful number, since it uses less digits than its factorization.

2871513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319063 (or 319060 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2871513 is about 1694.5539236035. The cubic root of 2871513 is about 142.1358384069.

The spelling of 2871513 in words is "two million, eight hundred seventy-one thousand, five hundred thirteen".