33243105 has 32 divisors (see below), whose sum is σ = 61634304. Its totient is φ = 14985216.

The previous prime is 33243097. The next prime is 33243157. The reversal of 33243105 is 50134233.

It is not a de Polignac number, because 33243105 - 2³ = 33243097 is a prime.

It is a super-2 number, since 2×33243105² = 2210208060082050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5497 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (1926072).

Almost surely, 2^33243105 is an apocalyptic number.

33243105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33243105 is a deficient number, since it is larger than the sum of its proper divisors (28391199).

33243105 is a wasteful number, since it uses less digits than its factorization.

33243105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33243105 is about 5765.6833940132. The cubic root of 33243105 is about 321.5391508072.

Adding to 33243105 its reverse (50134233), we get a palindrome (83377338).

The spelling of 33243105 in words is "thirty-three million, two hundred forty-three thousand, one hundred five".