2687371 has 4 divisors (see below), whose sum is σ = 2749912. Its totient is φ = 2624832.

The previous prime is 2687357. The next prime is 2687383. The reversal of 2687371 is 1737862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2687371 - 2¹¹ = 2685323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31206 + ... + 31291.

It is an arithmetic number, because the mean of its divisors is an integer number (687478).

2^2687371 is an apocalyptic number.

2687371 is a deficient number, since it is larger than the sum of its proper divisors (62541).

2687371 is an equidigital number, since it uses as much as digits as its factorization.

2687371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62540.

The product of its digits is 14112, while the sum is 34.

The square root of 2687371 is about 1639.3202859722. The cubic root of 2687371 is about 139.0302196083.

It can be divided in two parts, 26 and 87371, that multiplied together give a triangular number (2271646 = T₂₁₃₁).

The spelling of 2687371 in words is "two million, six hundred eighty-seven thousand, three hundred seventy-one".