2687001 has 4 divisors (see below), whose sum is σ = 3582672. Its totient is φ = 1791332.

The previous prime is 2686993. The next prime is 2687023. The reversal of 2687001 is 1007862.

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.

It is a cyclic number.

It is not a de Polignac number, because 2687001 - 2³ = 2686993 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2687081) 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, 447831 + ... + 447836.

It is an arithmetic number, because the mean of its divisors is an integer number (895668).

2^2687001 is an apocalyptic number.

It is an amenable number.

2687001 is a deficient number, since it is larger than the sum of its proper divisors (895671).

2687001 is an equidigital number, since it uses as much as digits as its factorization.

2687001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895670.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2687001 is about 1639.2074304370. The cubic root of 2687001 is about 139.0238387077.

The spelling of 2687001 in words is "two million, six hundred eighty-seven thousand, one".