30255133 has 2 divisors, whose sum is σ = 30255134. Its totient is φ = 30255132.

The previous prime is 30255131. The next prime is 30255139. The reversal of 30255133 is 33155203.

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., 30063289 + 191844 = 5483^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255133 - 2¹ = 30255131 is a prime.

Together with 30255131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30255131) 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, 15127566 + 15127567.

It is an arithmetic number, because the mean of its divisors is an integer number (15127567).

Almost surely, 2^30255133 is an apocalyptic number.

It is an amenable number.

30255133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30255133 is an equidigital number, since it uses as much as digits as its factorization.

30255133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 30255133 is about 5500.4666165699. The cubic root of 30255133 is about 311.6016070299.

The spelling of 30255133 in words is "thirty million, two hundred fifty-five thousand, one hundred thirty-three".