2179001 has 4 divisors (see below), whose sum is σ = 2377104. Its totient is φ = 1980900.

The previous prime is 2178991. The next prime is 2179007. The reversal of 2179001 is 1009712.

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 2179001 - 2⁶ = 2178937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2179007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99035 + ... + 99056.

It is an arithmetic number, because the mean of its divisors is an integer number (594276).

2^2179001 is an apocalyptic number.

It is an amenable number.

2179001 is a deficient number, since it is larger than the sum of its proper divisors (198103).

2179001 is a wasteful number, since it uses less digits than its factorization.

2179001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198102.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 2179001 is about 1476.1439631689. The cubic root of 2179001 is about 129.6440162244.

The spelling of 2179001 in words is "two million, one hundred seventy-nine thousand, one".