8085540361 has 2 divisors, whose sum is σ = 8085540362. Its totient is φ = 8085540360.

The previous prime is 8085540347. The next prime is 8085540413. The reversal of 8085540361 is 1630455808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4739496336 + 3346044025 = 68844^2 + 57845^2 .

It is a cyclic number.

It is not a de Polignac number, because 8085540361 - 2¹⁵ = 8085507593 is a prime.

It is not a weakly prime, because it can be changed into another prime (8085540461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4042770180 + 4042770181.

It is an arithmetic number, because the mean of its divisors is an integer number (4042770181).

Almost surely, 2^8085540361 is an apocalyptic number.

It is an amenable number.

8085540361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8085540361 is an equidigital number, since it uses as much as digits as its factorization.

8085540361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 8085540361 is about 89919.6327895082. The cubic root of 8085540361 is about 2007.1031064907.

The spelling of 8085540361 in words is "eight billion, eighty-five million, five hundred forty thousand, three hundred sixty-one".