2116601 has 2 divisors, whose sum is σ = 2116602. Its totient is φ = 2116600.

The previous prime is 2116591. The next prime is 2116607. The reversal of 2116601 is 1066112.

It is a happy number.

2116601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 724201 = 1180^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116601 - 2⁶ = 2116537 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058300 + 1058301.

It is an arithmetic number, because the mean of its divisors is an integer number (1058301).

2^2116601 is an apocalyptic number.

It is an amenable number.

2116601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116601 is an equidigital number, since it uses as much as digits as its factorization.

2116601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2116601 is about 1454.8542882365. The cubic root of 2116601 is about 128.3944739682.

The spelling of 2116601 in words is "two million, one hundred sixteen thousand, six hundred one".