33333481 has 8 divisors (see below), whose sum is σ = 36046080. Its totient is φ = 30704448.

The previous prime is 33333473. The next prime is 33333493. The reversal of 33333481 is 18433333.

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

It is not a de Polignac number, because 33333481 - 2³ = 33333473 is a prime.

It is a super-2 number, since 2×33333481² = 2222241911154722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33333431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20061 + ... + 21658.

It is an arithmetic number, because the mean of its divisors is an integer number (4505760).

Almost surely, 2^33333481 is an apocalyptic number.

It is an amenable number.

33333481 is a deficient number, since it is larger than the sum of its proper divisors (2712599).

33333481 is a wasteful number, since it uses less digits than its factorization.

33333481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41783.

The product of its digits is 7776, while the sum is 28.

The square root of 33333481 is about 5773.5154801906. The cubic root of 33333481 is about 321.8302701032.

The spelling of 33333481 in words is "thirty-three million, three hundred thirty-three thousand, four hundred eighty-one".