33028261 has 8 divisors (see below), whose sum is σ = 37814400. Its totient is φ = 28259088.

The previous prime is 33028249. The next prime is 33028279. The reversal of 33028261 is 16282033.

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 33028261 - 2⁷ = 33028133 is a prime.

It is a super-3 number, since 3×33028261³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33028211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (4726800).

Almost surely, 2^33028261 is an apocalyptic number.

It is an amenable number.

33028261 is a deficient number, since it is larger than the sum of its proper divisors (4786139).

33028261 is an equidigital number, since it uses as much as digits as its factorization.

33028261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 33028261 is about 5747.0219244405. The cubic root of 33028261 is about 320.8449706391.

The spelling of 33028261 in words is "thirty-three million, twenty-eight thousand, two hundred sixty-one".