609000065 has 32 divisors (see below), whose sum is σ = 787968000. Its totient is φ = 450456768.

The previous prime is 609000037. The next prime is 609000071. The reversal of 609000065 is 560000906.

It is a cyclic number.

It is not a de Polignac number, because 609000065 - 2⁶ = 609000001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 608999998 and 609000043.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1002992 + ... + 1003598.

It is an arithmetic number, because the mean of its divisors is an integer number (24624000).

Almost surely, 2^609000065 is an apocalyptic number.

It is an amenable number.

609000065 is a deficient number, since it is larger than the sum of its proper divisors (178967935).

609000065 is a wasteful number, since it uses less digits than its factorization.

609000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 609000065 is about 24677.9266754726. The cubic root of 609000065 is about 847.6289469452.

The spelling of 609000065 in words is "six hundred nine million, sixty-five", and thus it is an aban number.