1679057 has 2 divisors, whose sum is σ = 1679058. Its totient is φ = 1679056.

The previous prime is 1679033. The next prime is 1679059. The reversal of 1679057 is 7509761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 229441 = 1204^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679057 - 2⁶ = 1678993 is a prime.

Together with 1679059, 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 (1679059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839528 + 839529.

It is an arithmetic number, because the mean of its divisors is an integer number (839529).

2^1679057 is an apocalyptic number.

It is an amenable number.

1679057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679057 is an equidigital number, since it uses as much as digits as its factorization.

1679057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 1679057 is about 1295.7843184728. The cubic root of 1679057 is about 118.8561923590.

The spelling of 1679057 in words is "one million, six hundred seventy-nine thousand, fifty-seven".