6575947321 has 4 divisors (see below), whose sum is σ = 6576260644. Its totient is φ = 6575634000.

The previous prime is 6575947309. The next prime is 6575947333. The reversal of 6575947321 is 1237495756.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6575947309) and next prime (6575947333).

It can be written as a sum of positive squares in 2 ways, for example, as 6148284921 + 427662400 = 78411^2 + 20680^2 .

It is a cyclic number.

It is not a de Polignac number, because 6575947321 - 2¹³ = 6575939129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6575947921) 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, 122730 + ... + 167971.

It is an arithmetic number, because the mean of its divisors is an integer number (1644065161).

Almost surely, 2^6575947321 is an apocalyptic number.

It is an amenable number.

6575947321 is a deficient number, since it is larger than the sum of its proper divisors (313323).

6575947321 is a wasteful number, since it uses less digits than its factorization.

6575947321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313322.

The product of its digits is 1587600, while the sum is 49.

The square root of 6575947321 is about 81092.2149222723. The cubic root of 6575947321 is about 1873.4960214210.

The spelling of 6575947321 in words is "six billion, five hundred seventy-five million, nine hundred forty-seven thousand, three hundred twenty-one".