2687141 has 2 divisors, whose sum is σ = 2687142. Its totient is φ = 2687140.

The previous prime is 2687129. The next prime is 2687143. The reversal of 2687141 is 1417862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2390116 + 297025 = 1546^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687141 - 2¹⁸ = 2424997 is a prime.

Together with 2687143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2687143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343570 + 1343571.

It is an arithmetic number, because the mean of its divisors is an integer number (1343571).

2^2687141 is an apocalyptic number.

It is an amenable number.

2687141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687141 is an equidigital number, since it uses as much as digits as its factorization.

2687141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 2687141 is about 1639.2501334452. The cubic root of 2687141 is about 139.0262531714.

The spelling of 2687141 in words is "two million, six hundred eighty-seven thousand, one hundred forty-one".