606561605 has 32 divisors (see below), whose sum is σ = 835699200. Its totient is φ = 418908672.

The previous prime is 606561601. The next prime is 606561607. The reversal of 606561605 is 506165606.

It is not a de Polignac number, because 606561605 - 2² = 606561601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606561601) 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 31 ways as a sum of consecutive naturals, for example, 94457 + ... + 100673.

It is an arithmetic number, because the mean of its divisors is an integer number (26115600).

Almost surely, 2^606561605 is an apocalyptic number.

606561605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

606561605 is a deficient number, since it is larger than the sum of its proper divisors (229137595).

606561605 is a wasteful number, since it uses less digits than its factorization.

606561605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 606561605 is about 24628.4714304400. The cubic root of 606561605 is about 846.4961205216.

The spelling of 606561605 in words is "six hundred six million, five hundred sixty-one thousand, six hundred five".