8082508561 has 2 divisors, whose sum is σ = 8082508562. Its totient is φ = 8082508560.

The previous prime is 8082508547. The next prime is 8082508613. The reversal of 8082508561 is 1658052808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7283598336 + 798910225 = 85344^2 + 28265^2 .

It is a cyclic number.

It is not a de Polignac number, because 8082508561 - 2⁷ = 8082508433 is a prime.

It is not a weakly prime, because it can be changed into another prime (8082508061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4041254280 + 4041254281.

It is an arithmetic number, because the mean of its divisors is an integer number (4041254281).

Almost surely, 2^8082508561 is an apocalyptic number.

It is an amenable number.

8082508561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8082508561 is an equidigital number, since it uses as much as digits as its factorization.

8082508561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 8082508561 is about 89902.7728215320. The cubic root of 8082508561 is about 2006.8522102134.

The spelling of 8082508561 in words is "eight billion, eighty-two million, five hundred eight thousand, five hundred sixty-one".