606220509 has 8 divisors (see below), whose sum is σ = 810497920. Its totient is φ = 403045056.

The previous prime is 606220411. The next prime is 606220577. The reversal of 606220509 is 905022606.

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

It is not a de Polignac number, because 606220509 - 2¹¹ = 606218461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606220409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274204 + ... + 276405.

It is an arithmetic number, because the mean of its divisors is an integer number (101312240).

Almost surely, 2^606220509 is an apocalyptic number.

It is an amenable number.

606220509 is a deficient number, since it is larger than the sum of its proper divisors (204277411).

606220509 is a wasteful number, since it uses less digits than its factorization.

606220509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550979.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 606220509 is about 24621.5456257319. The cubic root of 606220509 is about 846.3374168944.

The spelling of 606220509 in words is "six hundred six million, two hundred twenty thousand, five hundred nine".