660085301 has 2 divisors, whose sum is σ = 660085302. Its totient is φ = 660085300.

The previous prime is 660085297. The next prime is 660085313. The reversal of 660085301 is 103580066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547513201 + 112572100 = 23399^2 + 10610^2 .

It is a cyclic number.

It is not a de Polignac number, because 660085301 - 2² = 660085297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660085001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330042650 + 330042651.

It is an arithmetic number, because the mean of its divisors is an integer number (330042651).

Almost surely, 2^660085301 is an apocalyptic number.

It is an amenable number.

660085301 is a deficient number, since it is larger than the sum of its proper divisors (1).

660085301 is an equidigital number, since it uses as much as digits as its factorization.

660085301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 660085301 is about 25692.1252721529. The cubic root of 660085301 is about 870.6962766246.

The spelling of 660085301 in words is "six hundred sixty million, eighty-five thousand, three hundred one".