33066545 has 8 divisors (see below), whose sum is σ = 39731496. Its totient is φ = 26418816.

The previous prime is 33066533. The next prime is 33066557. The reversal of 33066545 is 54566033.

It is an interprime number because it is at equal distance from previous prime (33066533) and next prime (33066557).

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 27836176 = 2287^2 + 5276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33066545 - 2¹⁶ = 33001009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (4966437).

Almost surely, 2^33066545 is an apocalyptic number.

It is an amenable number.

33066545 is a deficient number, since it is larger than the sum of its proper divisors (6664951).

33066545 is an equidigital number, since it uses as much as digits as its factorization.

33066545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 33066545 is about 5750.3517283728. The cubic root of 33066545 is about 320.9688896264.

The spelling of 33066545 in words is "thirty-three million, sixty-six thousand, five hundred forty-five".