60000009 has 4 divisors (see below), whose sum is σ = 80000016. Its totient is φ = 40000004.

The previous prime is 59999999. The next prime is 60000011. The reversal of 60000009 is 90000006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60000009 - 2⁴ = 59999993 is a prime.

60000009 is a strobogrammatic number because it is the same when read upside-down.

60000009 is a modest number, since divided by 9 gives 6 as remainder.

It is not an unprimeable number, because it can be changed into a prime (60000049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9999999 + ... + 10000004.

It is an arithmetic number, because the mean of its divisors is an integer number (20000004).

Almost surely, 2^60000009 is an apocalyptic number.

It is an amenable number.

60000009 is a deficient number, since it is larger than the sum of its proper divisors (20000007).

60000009 is a wasteful number, since it uses less digits than its factorization.

60000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000006.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 60000009 is about 7745.9672733623. The cubic root of 60000009 is about 391.4867836912.

The spelling of 60000009 in words is "sixty million, nine", and thus it is an aban number and an uban number.