30133217 has 2 divisors, whose sum is σ = 30133218. Its totient is φ = 30133216.

The previous prime is 30133199. The next prime is 30133273. The reversal of 30133217 is 71233103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 4096 = 5489^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 30133217 - 2¹⁴ = 30116833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30133517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066608 + 15066609.

It is an arithmetic number, because the mean of its divisors is an integer number (15066609).

Almost surely, 2^30133217 is an apocalyptic number.

It is an amenable number.

30133217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133217 is an equidigital number, since it uses as much as digits as its factorization.

30133217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30133217 is about 5489.3730971760. The cubic root of 30133217 is about 311.1825005910.

The spelling of 30133217 in words is "thirty million, one hundred thirty-three thousand, two hundred seventeen".