3152716561 has 4 divisors (see below), whose sum is σ = 3157374132. Its totient is φ = 3148058992.

The previous prime is 3152716547. The next prime is 3152716577. The reversal of 3152716561 is 1656172513.

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 3057537025 + 95179536 = 55295^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 3152716561 - 2¹⁹ = 3152192273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3152716561.

It is not an unprimeable number, because it can be changed into a prime (3152716591) 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, 2327770 + ... + 2329123.

It is an arithmetic number, because the mean of its divisors is an integer number (789343533).

Almost surely, 2^3152716561 is an apocalyptic number.

It is an amenable number.

3152716561 is a deficient number, since it is larger than the sum of its proper divisors (4657571).

3152716561 is an equidigital number, since it uses as much as digits as its factorization.

3152716561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657570.

The product of its digits is 37800, while the sum is 37.

The square root of 3152716561 is about 56149.0566349961. The cubic root of 3152716561 is about 1466.3184845381.

The spelling of 3152716561 in words is "three billion, one hundred fifty-two million, seven hundred sixteen thousand, five hundred sixty-one".