30535133 has 2 divisors, whose sum is σ = 30535134. Its totient is φ = 30535132.

The previous prime is 30535129. The next prime is 30535139. The reversal of 30535133 is 33153503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 8048569 = 4742^2 + 2837^2 .

It is a cyclic number.

It is not a de Polignac number, because 30535133 - 2² = 30535129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30535099 and 30535108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30535139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267566 + 15267567.

It is an arithmetic number, because the mean of its divisors is an integer number (15267567).

Almost surely, 2^30535133 is an apocalyptic number.

It is an amenable number.

30535133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30535133 is an equidigital number, since it uses as much as digits as its factorization.

30535133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 30535133 is about 5525.8603854965. The cubic root of 30535133 is about 312.5599091541.

Adding to 30535133 its reverse (33153503), we get a palindrome (63688636).

The spelling of 30535133 in words is "thirty million, five hundred thirty-five thousand, one hundred thirty-three".