33336481 has 4 divisors (see below), whose sum is σ = 34111792. Its totient is φ = 32561172.

The previous prime is 33336467. The next prime is 33336491. The reversal of 33336481 is 18463333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33336481 - 2⁷ = 33336353 is a prime.

It is a super-2 number, since 2×33336481² = 2222641930926722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33336491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387591 + ... + 387676.

It is an arithmetic number, because the mean of its divisors is an integer number (8527948).

Almost surely, 2^33336481 is an apocalyptic number.

It is an amenable number.

33336481 is a deficient number, since it is larger than the sum of its proper divisors (775311).

33336481 is an equidigital number, since it uses as much as digits as its factorization.

33336481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775310.

The product of its digits is 15552, while the sum is 31.

The square root of 33336481 is about 5773.7752813909. The cubic root of 33336481 is about 321.8399246789.

The spelling of 33336481 in words is "thirty-three million, three hundred thirty-six thousand, four hundred eighty-one".