2017901 has 2 divisors, whose sum is σ = 2017902. Its totient is φ = 2017900.

The previous prime is 2017889. The next prime is 2017909. The reversal of 2017901 is 1097102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 249001 = 1330^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2017901 - 2⁶ = 2017837 is a prime.

It is a super-3 number, since 3×2017901³ = 24650221233318851103, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (2017909) 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 as a sum of consecutive naturals, namely, 1008950 + 1008951.

It is an arithmetic number, because the mean of its divisors is an integer number (1008951).

2^2017901 is an apocalyptic number.

It is an amenable number.

2017901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017901 is an equidigital number, since it uses as much as digits as its factorization.

2017901 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2017901 is about 1420.5284228061. The cubic root of 2017901 is about 126.3668864882.

The spelling of 2017901 in words is "two million, seventeen thousand, nine hundred one".