6517273265 has 4 divisors (see below), whose sum is σ = 7820727924. Its totient is φ = 5213818608.

The previous prime is 6517273253. The next prime is 6517273267. The reversal of 6517273265 is 5623727156.

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 2049553984 + 4467719281 = 45272^2 + 66841^2 .

It is a cyclic number.

It is not a de Polignac number, because 6517273265 - 2¹⁴ = 6517256881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6517273267) 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, 651727322 + ... + 651727331.

It is an arithmetic number, because the mean of its divisors is an integer number (1955181981).

Almost surely, 2^6517273265 is an apocalyptic number.

It is an amenable number.

6517273265 is a deficient number, since it is larger than the sum of its proper divisors (1303454659).

6517273265 is a wasteful number, since it uses less digits than its factorization.

6517273265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303454658.

The product of its digits is 529200, while the sum is 44.

The square root of 6517273265 is about 80729.6306507097. The cubic root of 6517273265 is about 1867.9072611797.

The spelling of 6517273265 in words is "six billion, five hundred seventeen million, two hundred seventy-three thousand, two hundred sixty-five".