30753133 has 2 divisors, whose sum is σ = 30753134. Its totient is φ = 30753132.

The previous prime is 30753109. The next prime is 30753161. The reversal of 30753133 is 33135703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30437289 + 315844 = 5517^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 30753133 - 2¹³ = 30744941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30753098 and 30753107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30753193) 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, 15376566 + 15376567.

It is an arithmetic number, because the mean of its divisors is an integer number (15376567).

Almost surely, 2^30753133 is an apocalyptic number.

It is an amenable number.

30753133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30753133 is an equidigital number, since it uses as much as digits as its factorization.

30753133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 30753133 is about 5545.5507391061. The cubic root of 30753133 is about 313.3019674603.

Adding to 30753133 its reverse (33135703), we get a palindrome (63888836).

The spelling of 30753133 in words is "thirty million, seven hundred fifty-three thousand, one hundred thirty-three".