1671073 has 2 divisors, whose sum is σ = 1671074. Its totient is φ = 1671072.

The previous prime is 1671053. The next prime is 1671077. The reversal of 1671073 is 3701761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 113569 = 1248^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671073 - 2⁵ = 1671041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1671077) 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, 835536 + 835537.

It is an arithmetic number, because the mean of its divisors is an integer number (835537).

2^1671073 is an apocalyptic number.

It is an amenable number.

1671073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671073 is an equidigital number, since it uses as much as digits as its factorization.

1671073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1671073 is about 1292.6998878317. The cubic root of 1671073 is about 118.6675039218.

The spelling of 1671073 in words is "one million, six hundred seventy-one thousand, seventy-three".