606857 has 2 divisors, whose sum is σ = 606858. Its totient is φ = 606856.

The previous prime is 606847. The next prime is 606863. The reversal of 606857 is 758606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 16 = 779^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606857 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (606847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303428 + 303429.

It is an arithmetic number, because the mean of its divisors is an integer number (303429).

2⁶⁰⁶⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

606857 is a deficient number, since it is larger than the sum of its proper divisors (1).

606857 is an equidigital number, since it uses as much as digits as its factorization.

606857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 606857 is about 779.0102695087. The cubic root of 606857 is about 84.6633512524.

The spelling of 606857 in words is "six hundred six thousand, eight hundred fifty-seven".