33271997 has 8 divisors (see below), whose sum is σ = 36354720. Its totient is φ = 30198960.

The previous prime is 33271967. The next prime is 33272011. The reversal of 33271997 is 79917233.

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

It is not a de Polignac number, because 33271997 - 2¹⁰ = 33270973 is a prime.

It is a super-2 number, since 2×33271997² = 2214051568736018, which contains 22 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 (33271937) 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, 6083 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (4544340).

Almost surely, 2^33271997 is an apocalyptic number.

It is an amenable number.

33271997 is a deficient number, since it is larger than the sum of its proper divisors (3082723).

33271997 is a wasteful number, since it uses less digits than its factorization.

33271997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843.

The product of its digits is 71442, while the sum is 41.

The square root of 33271997 is about 5768.1883637759. The cubic root of 33271997 is about 321.6322750718.

The spelling of 33271997 in words is "thirty-three million, two hundred seventy-one thousand, nine hundred ninety-seven".