2867131 has 4 divisors (see below), whose sum is σ = 2909992. Its totient is φ = 2824272.

The previous prime is 2867107. The next prime is 2867213. The reversal of 2867131 is 1317682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1317682 = 2 ⋅658841.

It is a cyclic number.

It is not a de Polignac number, because 2867131 - 2⁵ = 2867099 is a prime.

It is a super-2 number, since 2×2867131² = 16440880342322, which contains 22 as substring.

It is a Duffinian number.

2867131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2867131.

It is not an unprimeable number, because it can be changed into a prime (2867231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21330 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (727498).

2^2867131 is an apocalyptic number.

2867131 is a deficient number, since it is larger than the sum of its proper divisors (42861).

2867131 is an equidigital number, since it uses as much as digits as its factorization.

2867131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42860.

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

The square root of 2867131 is about 1693.2604643114. The cubic root of 2867131 is about 142.0635006607.

The spelling of 2867131 in words is "two million, eight hundred sixty-seven thousand, one hundred thirty-one".