6513652573 has 4 divisors (see below), whose sum is σ = 6528765888. Its totient is φ = 6498539260.

The previous prime is 6513652567. The next prime is 6513652597. The reversal of 6513652573 is 3752563156.

It is a happy number.

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-6513652573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513602573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7556011 + ... + 7556872.

It is an arithmetic number, because the mean of its divisors is an integer number (1632191472).

Almost surely, 2^6513652573 is an apocalyptic number.

It is an amenable number.

6513652573 is a deficient number, since it is larger than the sum of its proper divisors (15113315).

6513652573 is a wasteful number, since it uses less digits than its factorization.

6513652573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113314.

The product of its digits is 567000, while the sum is 43.

The square root of 6513652573 is about 80707.2027330894. The cubic root of 6513652573 is about 1867.5612898195.

The spelling of 6513652573 in words is "six billion, five hundred thirteen million, six hundred fifty-two thousand, five hundred seventy-three".