33085513 has 2 divisors, whose sum is σ = 33085514. Its totient is φ = 33085512.

The previous prime is 33085499. The next prime is 33085529. The reversal of 33085513 is 31558033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 9 = 5752^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 33085513 - 2⁹ = 33085001 is a prime.

It is not a weakly prime, because it can be changed into another prime (33085573) 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, 16542756 + 16542757.

It is an arithmetic number, because the mean of its divisors is an integer number (16542757).

Almost surely, 2^33085513 is an apocalyptic number.

It is an amenable number.

33085513 is a deficient number, since it is larger than the sum of its proper divisors (1).

33085513 is an equidigital number, since it uses as much as digits as its factorization.

33085513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 33085513 is about 5752.0007823365. Note that the first 3 decimals coincide. The cubic root of 33085513 is about 321.0302504787.

The spelling of 33085513 in words is "thirty-three million, eighty-five thousand, five hundred thirteen".