606775321 has 8 divisors (see below), whose sum is σ = 624347144. Its totient is φ = 589265280.

The previous prime is 606775319. The next prime is 606775387. The reversal of 606775321 is 123577606.

It can be written as a sum of positive squares in 4 ways, for example, as 315595225 + 291180096 = 17765^2 + 17064^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 606775321 - 2¹ = 606775319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606775721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4861 + ... + 35173.

It is an arithmetic number, because the mean of its divisors is an integer number (78043393).

Almost surely, 2^606775321 is an apocalyptic number.

It is an amenable number.

606775321 is a deficient number, since it is larger than the sum of its proper divisors (17571823).

606775321 is a wasteful number, since it uses less digits than its factorization.

606775321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 606775321 is about 24632.8098478432. The cubic root of 606775321 is about 846.5955270344.

The spelling of 606775321 in words is "six hundred six million, seven hundred seventy-five thousand, three hundred twenty-one".