2173601 has 2 divisors, whose sum is σ = 2173602. Its totient is φ = 2173600.

The previous prime is 2173573. The next prime is 2173643. The reversal of 2173601 is 1063712.

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., 1221025 + 952576 = 1105^2 + 976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2173651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086800 + 1086801.

It is an arithmetic number, because the mean of its divisors is an integer number (1086801).

2^2173601 is an apocalyptic number.

It is an amenable number.

2173601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173601 is an equidigital number, since it uses as much as digits as its factorization.

2173601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2173601 is about 1474.3137386594. The cubic root of 2173601 is about 129.5368330403.

The spelling of 2173601 in words is "two million, one hundred seventy-three thousand, six hundred one".