2071973 has 2 divisors, whose sum is σ = 2071974. Its totient is φ = 2071972.

The previous prime is 2071961. The next prime is 2071991. The reversal of 2071973 is 3791702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 268324 = 1343^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071973 - 2⁴ = 2071957 is a prime.

It is a super-2 number, since 2×2071973² = 8586144225458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035986 + 1035987.

It is an arithmetic number, because the mean of its divisors is an integer number (1035987).

2^2071973 is an apocalyptic number.

It is an amenable number.

2071973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071973 is an equidigital number, since it uses as much as digits as its factorization.

2071973 is an evil number, because the sum of its binary digits is even.

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

The square root of 2071973 is about 1439.4349585862. The cubic root of 2071973 is about 127.4856680033.

The spelling of 2071973 in words is "two million, seventy-one thousand, nine hundred seventy-three".