33055129 has 2 divisors, whose sum is σ = 33055130. Its totient is φ = 33055128.

The previous prime is 33055111. The next prime is 33055133. The reversal of 33055129 is 92155033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33039504 + 15625 = 5748^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 33055129 - 2¹¹ = 33053081 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33055097 and 33055106.

It is not a weakly prime, because it can be changed into another prime (33055109) 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, 16527564 + 16527565.

It is an arithmetic number, because the mean of its divisors is an integer number (16527565).

Almost surely, 2^33055129 is an apocalyptic number.

It is an amenable number.

33055129 is a deficient number, since it is larger than the sum of its proper divisors (1).

33055129 is an equidigital number, since it uses as much as digits as its factorization.

33055129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 33055129 is about 5749.3590077503. The cubic root of 33055129 is about 320.9319479320.

The spelling of 33055129 in words is "thirty-three million, fifty-five thousand, one hundred twenty-nine".