30566065 has 4 divisors (see below), whose sum is σ = 36679284. Its totient is φ = 24452848.

The previous prime is 30566047. The next prime is 30566069. The reversal of 30566065 is 56066503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 13927824 = 4079^2 + 3732^2 .

It is a cyclic number.

It is not a de Polignac number, because 30566065 - 2⁷ = 30565937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30566069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056602 + ... + 3056611.

It is an arithmetic number, because the mean of its divisors is an integer number (9169821).

Almost surely, 2^30566065 is an apocalyptic number.

It is an amenable number.

30566065 is a deficient number, since it is larger than the sum of its proper divisors (6113219).

30566065 is an equidigital number, since it uses as much as digits as its factorization.

30566065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113218.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 30566065 is about 5528.6585172174. The cubic root of 30566065 is about 312.6654142932.

The spelling of 30566065 in words is "thirty million, five hundred sixty-six thousand, sixty-five".