609424065 has 12 divisors (see below), whose sum is σ = 1056335124. Its totient is φ = 325026144.

The previous prime is 609424063. The next prime is 609424103. The reversal of 609424065 is 560424906.

609424065 is a `hidden beast` number, since 609 + 4 + 2 + 40 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 338854464 + 270569601 = 18408^2 + 16449^2 .

It is not a de Polignac number, because 609424065 - 2¹ = 609424063 is a prime.

It is a super-2 number, since 2×609424065² = 742795382002248450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609424061) 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 11 ways as a sum of consecutive naturals, for example, 6771334 + ... + 6771423.

It is an arithmetic number, because the mean of its divisors is an integer number (88027927).

Almost surely, 2^609424065 is an apocalyptic number.

It is an amenable number.

609424065 is a deficient number, since it is larger than the sum of its proper divisors (446911059).

609424065 is a wasteful number, since it uses less digits than its factorization.

609424065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542768 (or 13542765 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 609424065 is about 24686.5158538016. The cubic root of 609424065 is about 847.8256143021.

The spelling of 609424065 in words is "six hundred nine million, four hundred twenty-four thousand, sixty-five".