660153313 has 2 divisors, whose sum is σ = 660153314. Its totient is φ = 660153312.

The previous prime is 660153289. The next prime is 660153323. The reversal of 660153313 is 313351066.

660153313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359026704 + 301126609 = 18948^2 + 17353^2 .

It is a cyclic number.

It is not a de Polignac number, because 660153313 - 2⁵ = 660153281 is a prime.

It is not a weakly prime, because it can be changed into another prime (660153323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330076656 + 330076657.

It is an arithmetic number, because the mean of its divisors is an integer number (330076657).

Almost surely, 2^660153313 is an apocalyptic number.

It is an amenable number.

660153313 is a deficient number, since it is larger than the sum of its proper divisors (1).

660153313 is an equidigital number, since it uses as much as digits as its factorization.

660153313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 660153313 is about 25693.4488342846. The cubic root of 660153313 is about 870.7261797100.

The spelling of 660153313 in words is "six hundred sixty million, one hundred fifty-three thousand, three hundred thirteen".