1670171 has 2 divisors, whose sum is σ = 1670172. Its totient is φ = 1670170.

The previous prime is 1670161. The next prime is 1670183. The reversal of 1670171 is 1710761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1670171 - 2¹⁰ = 1669147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1670161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835085 + 835086.

It is an arithmetic number, because the mean of its divisors is an integer number (835086).

2^1670171 is an apocalyptic number.

1670171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670171 is an equidigital number, since it uses as much as digits as its factorization.

1670171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 1670171 is about 1292.3509585248. The cubic root of 1670171 is about 118.6461489095.

The spelling of 1670171 in words is "one million, six hundred seventy thousand, one hundred seventy-one".