30000065 has 8 divisors (see below), whose sum is σ = 37241640. Its totient is φ = 23172352.

The previous prime is 30000059. The next prime is 30000071. The reversal of 30000065 is 56000003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30000059) and next prime (30000071).

It can be written as a sum of positive squares in 4 ways, for example, as 1825201 + 28174864 = 1351^2 + 5308^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30000065 - 2⁴ = 30000049 is a prime.

30000065 is a modest number, since divided by 65 gives 30 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103304 + ... + 103593.

It is an arithmetic number, because the mean of its divisors is an integer number (4655205).

Almost surely, 2^30000065 is an apocalyptic number.

It is an amenable number.

30000065 is a deficient number, since it is larger than the sum of its proper divisors (7241575).

30000065 is a wasteful number, since it uses less digits than its factorization.

30000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206931.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30000065 is about 5477.2315087095. The cubic root of 30000065 is about 310.7234750065.

Adding to 30000065 its reverse (56000003), we get a palindrome (86000068).

The spelling of 30000065 in words is "thirty million, sixty-five", and thus it is an aban number and an uban number.