30533105 has 16 divisors (see below), whose sum is σ = 39294720. Its totient is φ = 22693632.

The previous prime is 30533101. The next prime is 30533117. The reversal of 30533105 is 50133503.

It is a cyclic number.

It is not a de Polignac number, because 30533105 - 2² = 30533101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30533101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4442 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (2455920).

Almost surely, 2^30533105 is an apocalyptic number.

It is an amenable number.

30533105 is a deficient number, since it is larger than the sum of its proper divisors (8761615).

30533105 is a wasteful number, since it uses less digits than its factorization.

30533105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 30533105 is about 5525.6768816137. The cubic root of 30533105 is about 312.5529894143.

Adding to 30533105 its reverse (50133503), we get a palindrome (80666608).

The spelling of 30533105 in words is "thirty million, five hundred thirty-three thousand, one hundred five".