606630361 has 4 divisors (see below), whose sum is σ = 607946724. Its totient is φ = 605314000.

The previous prime is 606630331. The next prime is 606630373. The reversal of 606630361 is 163036606.

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 100380361 + 506250000 = 10019^2 + 22500^2 .

It is a cyclic number.

It is not a de Polignac number, because 606630361 - 2¹⁹ = 606106073 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606630331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657490 + ... + 658411.

It is an arithmetic number, because the mean of its divisors is an integer number (151986681).

Almost surely, 2^606630361 is an apocalyptic number.

It is an amenable number.

606630361 is a deficient number, since it is larger than the sum of its proper divisors (1316363).

606630361 is a wasteful number, since it uses less digits than its factorization.

606630361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316362.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 606630361 is about 24629.8672550219. The cubic root of 606630361 is about 846.5281038013.

Adding to 606630361 its reverse (163036606), we get a palindrome (769666967).

The spelling of 606630361 in words is "six hundred six million, six hundred thirty thousand, three hundred sixty-one".