3133509 has 8 divisors (see below), whose sum is σ = 4246752. Its totient is φ = 2054640.

The previous prime is 3133469. The next prime is 3133513. The reversal of 3133509 is 9053313.

3133509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3133509 - 2⁷ = 3133381 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133609) 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 7 ways as a sum of consecutive naturals, for example, 8379 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (530844).

Almost surely, 2^3133509 is an apocalyptic number.

It is an amenable number.

3133509 is a deficient number, since it is larger than the sum of its proper divisors (1113243).

3133509 is a wasteful number, since it uses less digits than its factorization.

3133509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 3133509 is about 1770.1720255388. The cubic root of 3133509 is about 146.3334624779. Note that the first 3 decimals are identical.

The spelling of 3133509 in words is "three million, one hundred thirty-three thousand, five hundred nine".