2681671 has 4 divisors (see below), whose sum is σ = 2685592. Its totient is φ = 2677752.

The previous prime is 2681663. The next prime is 2681681. The reversal of 2681671 is 1761862.

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 2681671 - 2³ = 2681663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681611) 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, 636 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (671398).

2^2681671 is an apocalyptic number.

2681671 is a deficient number, since it is larger than the sum of its proper divisors (3921).

2681671 is an equidigital number, since it uses as much as digits as its factorization.

2681671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920.

The product of its digits is 4032, while the sum is 31.

The square root of 2681671 is about 1637.5808376993. The cubic root of 2681671 is about 138.9318541799.

The spelling of 2681671 in words is "two million, six hundred eighty-one thousand, six hundred seventy-one".