33140201 has 4 divisors (see below), whose sum is σ = 33160404. Its totient is φ = 33120000.

The previous prime is 33140183. The next prime is 33140203. The reversal of 33140201 is 10204133.

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 9120400 + 24019801 = 3020^2 + 4901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33140201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7400 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (8290101).

Almost surely, 2^33140201 is an apocalyptic number.

It is an amenable number.

33140201 is a deficient number, since it is larger than the sum of its proper divisors (20203).

33140201 is a wasteful number, since it uses less digits than its factorization.

33140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 33140201 is about 5756.7526436351. The cubic root of 33140201 is about 321.2070331690.

Adding to 33140201 its reverse (10204133), we get a palindrome (43344334).

The spelling of 33140201 in words is "thirty-three million, one hundred forty thousand, two hundred one".