33243201 has 6 divisors (see below), whose sum is σ = 48017970. Its totient is φ = 22162128.

The previous prime is 33243181. The next prime is 33243209. The reversal of 33243201 is 10234233.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 12531600 = 4551^2 + 3540^2 .

It is not a de Polignac number, because 33243201 - 2¹⁹ = 32718913 is a prime.

It is a super-2 number, since 2×33243201² = 2210220825452802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33243209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1846836 + ... + 1846853.

It is an arithmetic number, because the mean of its divisors is an integer number (8002995).

Almost surely, 2^33243201 is an apocalyptic number.

It is an amenable number.

33243201 is a deficient number, since it is larger than the sum of its proper divisors (14774769).

33243201 is a wasteful number, since it uses less digits than its factorization.

33243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693695 (or 3693692 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33243201 is about 5765.6917191262. The cubic root of 33243201 is about 321.5394603223.

Adding to 33243201 its reverse (10234233), we get a palindrome (43477434).

The spelling of 33243201 in words is "thirty-three million, two hundred forty-three thousand, two hundred one".