6613532513 has 8 divisors (see below), whose sum is σ = 7575863040. Its totient is φ = 5655587040.

The previous prime is 6613532503. The next prime is 6613532533. The reversal of 6613532513 is 3152353166.

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

It is a cyclic number.

It is not a de Polignac number, because 6613532513 - 2⁶ = 6613532449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6613532503) 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 7 ways as a sum of consecutive naturals, for example, 1093028 + ... + 1099061.

It is an arithmetic number, because the mean of its divisors is an integer number (946982880).

Almost surely, 2^6613532513 is an apocalyptic number.

It is an amenable number.

6613532513 is a deficient number, since it is larger than the sum of its proper divisors (962330527).

6613532513 is a wasteful number, since it uses less digits than its factorization.

6613532513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192527.

The product of its digits is 48600, while the sum is 35.

The square root of 6613532513 is about 81323.6282577210. The cubic root of 6613532513 is about 1877.0585994877.

Adding to 6613532513 its reverse (3152353166), we get a palindrome (9765885679).

The spelling of 6613532513 in words is "six billion, six hundred thirteen million, five hundred thirty-two thousand, five hundred thirteen".