133033301 has 4 divisors (see below), whose sum is σ = 134253900. Its totient is φ = 131812704.

The previous prime is 133033297. The next prime is 133033319. The reversal of 133033301 is 103330331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103330331 = 13 ⋅7948487.

It can be written as a sum of positive squares in 2 ways, for example, as 104571076 + 28462225 = 10226^2 + 5335^2 .

It is a cyclic number.

It is not a de Polignac number, because 133033301 - 2² = 133033297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133033301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033331) 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, 610136 + ... + 610353.

It is an arithmetic number, because the mean of its divisors is an integer number (33563475).

Almost surely, 2^133033301 is an apocalyptic number.

It is an amenable number.

133033301 is a deficient number, since it is larger than the sum of its proper divisors (1220599).

133033301 is a wasteful number, since it uses less digits than its factorization.

133033301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220598.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 133033301 is about 11534.0062857621. The cubic root of 133033301 is about 510.4894711294.

Adding to 133033301 its reverse (103330331), we get a palindrome (236363632).

The spelling of 133033301 in words is "one hundred thirty-three million, thirty-three thousand, three hundred one".