2687101 has 4 divisors (see below), whose sum is σ = 2694204. Its totient is φ = 2680000.

The previous prime is 2687093. The next prime is 2687117. The reversal of 2687101 is 1017862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1017862 = 2 ⋅508931.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 599076 = 1445^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687101 - 2³ = 2687093 is a prime.

It is a super-3 number, since 3×2687101³ = 58206733307514873903, which contains 333 as substring.

It is a Duffinian number.

2687101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687141) 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, 2950 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (673551).

2^2687101 is an apocalyptic number.

It is an amenable number.

2687101 is a deficient number, since it is larger than the sum of its proper divisors (7103).

2687101 is an equidigital number, since it uses as much as digits as its factorization.

2687101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2687101 is about 1639.2379326992. The cubic root of 2687101 is about 139.0255633332.

The spelling of 2687101 in words is "two million, six hundred eighty-seven thousand, one hundred one".