8519081 has 2 divisors, whose sum is σ = 8519082. Its totient is φ = 8519080.

The previous prime is 8519053. The next prime is 8519089. The reversal of 8519081 is 1809158.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 3297856 = 2285^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8519081 is a prime.

It is a super-2 number, since 2×8519081² = 145149482169122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8519089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4259540 + 4259541.

It is an arithmetic number, because the mean of its divisors is an integer number (4259541).

Almost surely, 2^8519081 is an apocalyptic number.

It is an amenable number.

8519081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8519081 is an equidigital number, since it uses as much as digits as its factorization.

8519081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 8519081 is about 2918.7464775139. The cubic root of 8519081 is about 204.2353508927.

The spelling of 8519081 in words is "eight million, five hundred nineteen thousand, eighty-one".