6501133 has 4 divisors (see below), whose sum is σ = 6725340. Its totient is φ = 6276928.

The previous prime is 6501113. The next prime is 6501149. The reversal of 6501133 is 3311056.

6501133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3108169 + 3392964 = 1763^2 + 1842^2 .

It is a cyclic number.

It is not a de Polignac number, because 6501133 - 2⁹ = 6500621 is a prime.

It is an Ulam number.

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 6501133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501113) 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 3 ways as a sum of consecutive naturals, for example, 112060 + ... + 112117.

It is an arithmetic number, because the mean of its divisors is an integer number (1681335).

Almost surely, 2^6501133 is an apocalyptic number.

It is an amenable number.

6501133 is a deficient number, since it is larger than the sum of its proper divisors (224207).

6501133 is a wasteful number, since it uses less digits than its factorization.

6501133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224206.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 6501133 is about 2549.7319466956. The cubic root of 6501133 is about 186.6364006343.

Adding to 6501133 its reverse (3311056), we get a palindrome (9812189).

The spelling of 6501133 in words is "six million, five hundred one thousand, one hundred thirty-three".