6545324533 has 4 divisors (see below), whose sum is σ = 7140354048. Its totient is φ = 5950295020.

The previous prime is 6545324491. The next prime is 6545324587. The reversal of 6545324533 is 3354235456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6545324533 is a prime.

It is a super-3 number, since 3×6545324533³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545324033) 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, 297514741 + ... + 297514762.

It is an arithmetic number, because the mean of its divisors is an integer number (1785088512).

Almost surely, 2^6545324533 is an apocalyptic number.

It is an amenable number.

6545324533 is a deficient number, since it is larger than the sum of its proper divisors (595029515).

6545324533 is a wasteful number, since it uses less digits than its factorization.

6545324533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595029514.

The product of its digits is 648000, while the sum is 40.

The square root of 6545324533 is about 80903.1799931251. The cubic root of 6545324533 is about 1870.5833379863.

Adding to 6545324533 its reverse (3354235456), we get a palindrome (9899559989).

The spelling of 6545324533 in words is "six billion, five hundred forty-five million, three hundred twenty-four thousand, five hundred thirty-three".