30025133 has 2 divisors, whose sum is σ = 30025134. Its totient is φ = 30025132.

The previous prime is 30025123. The next prime is 30025147. The reversal of 30025133 is 33152003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 6240004 = 4877^2 + 2498^2 .

It is an emirp because it is prime and its reverse (33152003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30025133 - 2¹⁰ = 30024109 is a prime.

It is a super-2 number, since 2×30025133² = 1803017223335378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30025103) 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, 15012566 + 15012567.

It is an arithmetic number, because the mean of its divisors is an integer number (15012567).

Almost surely, 2^30025133 is an apocalyptic number.

It is an amenable number.

30025133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30025133 is an equidigital number, since it uses as much as digits as its factorization.

30025133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 30025133 is about 5479.5194132332. The cubic root of 30025133 is about 310.8099975693.

Adding to 30025133 its reverse (33152003), we get a palindrome (63177136).

The spelling of 30025133 in words is "thirty million, twenty-five thousand, one hundred thirty-three".