670853 has 2 divisors, whose sum is σ = 670854. Its totient is φ = 670852.

The previous prime is 670849. The next prime is 670867. The reversal of 670853 is 358076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 3364 = 817^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 670853 - 2² = 670849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670853.

It is not a weakly prime, because it can be changed into another prime (670823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335426 + 335427.

It is an arithmetic number, because the mean of its divisors is an integer number (335427).

2⁶⁷⁰⁸⁵³ is an apocalyptic number.

It is an amenable number.

670853 is a deficient number, since it is larger than the sum of its proper divisors (1).

670853 is an equidigital number, since it uses as much as digits as its factorization.

670853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 670853 is about 819.0561641304. The cubic root of 670853 is about 87.5405200084.

The spelling of 670853 in words is "six hundred seventy thousand, eight hundred fifty-three".