606630305 has 4 divisors (see below), whose sum is σ = 727956372. Its totient is φ = 485304240.

The previous prime is 606630293. The next prime is 606630307. The reversal of 606630305 is 503036606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237375649 + 369254656 = 15407^2 + 19216^2 .

It is not a de Polignac number, because 606630305 - 2²⁰ = 605581729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606630307) 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 3 ways as a sum of consecutive naturals, for example, 60663026 + ... + 60663035.

It is an arithmetic number, because the mean of its divisors is an integer number (181989093).

Almost surely, 2^606630305 is an apocalyptic number.

It is an amenable number.

606630305 is a deficient number, since it is larger than the sum of its proper divisors (121326067).

606630305 is a wasteful number, since it uses less digits than its factorization.

606630305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121326066.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 606630305 is about 24629.8661181907. The cubic root of 606630305 is about 846.5280777527.

The spelling of 606630305 in words is "six hundred six million, six hundred thirty thousand, three hundred five".