2175601 has 2 divisors, whose sum is σ = 2175602. Its totient is φ = 2175600.

The previous prime is 2175599. The next prime is 2175629. The reversal of 2175601 is 1065712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 159201 = 1420^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175601 - 2¹ = 2175599 is a prime.

It is a super-2 number, since 2×2175601² = 9466479422402, which contains 22 as substring.

Together with 2175599, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2175661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087800 + 1087801.

It is an arithmetic number, because the mean of its divisors is an integer number (1087801).

2^2175601 is an apocalyptic number.

It is an amenable number.

2175601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175601 is an equidigital number, since it uses as much as digits as its factorization.

2175601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2175601 is about 1474.9918643843. The cubic root of 2175601 is about 129.5765511925.

The spelling of 2175601 in words is "two million, one hundred seventy-five thousand, six hundred one".