2681001 has 6 divisors (see below), whose sum is σ = 3872570. Its totient is φ = 1787328.

The previous prime is 2680999. The next prime is 2681009. The reversal of 2681001 is 1001862.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 104976 = 1605^2 + 324^2 .

It is not a de Polignac number, because 2681001 - 2¹ = 2680999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2681009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148936 + ... + 148953.

2^2681001 is an apocalyptic number.

It is an amenable number.

2681001 is a deficient number, since it is larger than the sum of its proper divisors (1191569).

2681001 is a wasteful number, since it uses less digits than its factorization.

2681001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297895 (or 297892 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2681001 is about 1637.3762548663. The cubic root of 2681001 is about 138.9202827759.

Adding to 2681001 its reverse (1001862), we get a palindrome (3682863).

The spelling of 2681001 in words is "two million, six hundred eighty-one thousand, one".