33133401 has 16 divisors (see below), whose sum is σ = 56099200. Its totient is φ = 18933264.

The previous prime is 33133393. The next prime is 33133421. The reversal of 33133401 is 10433133.

33133401 is a `hidden beast` number, since 331 + 334 + 0 + 1 = 666.

It is not a de Polignac number, because 33133401 - 2³ = 33133393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33133421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87466 + ... + 87843.

It is an arithmetic number, because the mean of its divisors is an integer number (3506200).

Almost surely, 2^33133401 is an apocalyptic number.

It is an amenable number.

33133401 is a deficient number, since it is larger than the sum of its proper divisors (22965799).

33133401 is a wasteful number, since it uses less digits than its factorization.

33133401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175325 (or 175319 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 33133401 is about 5756.1620025847. The cubic root of 33133401 is about 321.1850622981.

Adding to 33133401 its reverse (10433133), we get a palindrome (43566534).

The spelling of 33133401 in words is "thirty-three million, one hundred thirty-three thousand, four hundred one".