33480505 has 4 divisors (see below), whose sum is σ = 40176612. Its totient is φ = 26784400.

The previous prime is 33480467. The next prime is 33480509. The reversal of 33480505 is 50508433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14653584 + 18826921 = 3828^2 + 4339^2 .

It is not a de Polignac number, because 33480505 - 2¹⁵ = 33447737 is a prime.

It is a super-2 number, since 2×33480505² = 2241888430110050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33480509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348046 + ... + 3348055.

It is an arithmetic number, because the mean of its divisors is an integer number (10044153).

Almost surely, 2^33480505 is an apocalyptic number.

It is an amenable number.

33480505 is a deficient number, since it is larger than the sum of its proper divisors (6696107).

33480505 is an equidigital number, since it uses as much as digits as its factorization.

33480505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696106.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 33480505 is about 5786.2340948150. The cubic root of 33480505 is about 322.3027417790.

Adding to 33480505 its reverse (50508433), we get a palindrome (83988938).

The spelling of 33480505 in words is "thirty-three million, four hundred eighty thousand, five hundred five".