30585133 has 2 divisors, whose sum is σ = 30585134. Its totient is φ = 30585132.

The previous prime is 30585097. The next prime is 30585173. The reversal of 30585133 is 33158503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 751689 = 5462^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30585133 - 2⁹ = 30584621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30585173) 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 as a sum of consecutive naturals, namely, 15292566 + 15292567.

It is an arithmetic number, because the mean of its divisors is an integer number (15292567).

Almost surely, 2^30585133 is an apocalyptic number.

It is an amenable number.

30585133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30585133 is an equidigital number, since it uses as much as digits as its factorization.

30585133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 30585133 is about 5530.3827173171. The cubic root of 30585133 is about 312.7304173700.

The spelling of 30585133 in words is "thirty million, five hundred eighty-five thousand, one hundred thirty-three".