1670057 has 2 divisors, whose sum is σ = 1670058. Its totient is φ = 1670056.

The previous prime is 1670017. The next prime is 1670059. The reversal of 1670057 is 7500761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 72361 = 1264^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670057 - 2¹⁶ = 1604521 is a prime.

Together with 1670059, 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 (1670059) 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, 835028 + 835029.

It is an arithmetic number, because the mean of its divisors is an integer number (835029).

2^1670057 is an apocalyptic number.

It is an amenable number.

1670057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670057 is an equidigital number, since it uses as much as digits as its factorization.

1670057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 1670057 is about 1292.3068521060. The cubic root of 1670057 is about 118.6434493918.

The spelling of 1670057 in words is "one million, six hundred seventy thousand, fifty-seven".