2017973 has 4 divisors (see below), whose sum is σ = 2048160. Its totient is φ = 1987788.

The previous prime is 2017963. The next prime is 2017987. The reversal of 2017973 is 3797102.

It is a happy number.

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 2017973 - 2⁴ = 2017957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017963) 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, 14993 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (512040).

2^2017973 is an apocalyptic number.

It is an amenable number.

2017973 is a deficient number, since it is larger than the sum of its proper divisors (30187).

2017973 is an equidigital number, since it uses as much as digits as its factorization.

2017973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2017973 is about 1420.5537652620. The cubic root of 2017973 is about 126.3683894209.

The spelling of 2017973 in words is "two million, seventeen thousand, nine hundred seventy-three".