30530085 has 16 divisors (see below), whose sum is σ = 50972544. Its totient is φ = 15574592.

The previous prime is 30530077. The next prime is 30530089. The reversal of 30530085 is 58003503.

It is a cyclic number.

It is not a de Polignac number, because 30530085 - 2³ = 30530077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530089) 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 15 ways as a sum of consecutive naturals, for example, 43902 + ... + 44591.

It is an arithmetic number, because the mean of its divisors is an integer number (3185784).

Almost surely, 2^30530085 is an apocalyptic number.

It is an amenable number.

30530085 is a deficient number, since it is larger than the sum of its proper divisors (20442459).

30530085 is a wasteful number, since it uses less digits than its factorization.

30530085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88524.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30530085 is about 5525.4036051677. The cubic root of 30530085 is about 312.5426843028.

Adding to 30530085 its reverse (58003503), we get a palindrome (88533588).

The spelling of 30530085 in words is "thirty million, five hundred thirty thousand, eighty-five".