2680001 has 4 divisors (see below), whose sum is σ = 2684352. Its totient is φ = 2675652.

The previous prime is 2679979. The next prime is 2680003. The reversal of 2680001 is 1000862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000862 = 2 ⋅500431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680003) 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, 1061 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (671088).

2^2680001 is an apocalyptic number.

It is an amenable number.

2680001 is a deficient number, since it is larger than the sum of its proper divisors (4351).

2680001 is an equidigital number, since it uses as much as digits as its factorization.

2680001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2680001 is about 1637.0708597981. The cubic root of 2680001 is about 138.9030084371.

Adding to 2680001 its reverse (1000862), we get a palindrome (3680863).

The spelling of 2680001 in words is "two million, six hundred eighty thousand, one".