8530081 has 4 divisors (see below), whose sum is σ = 9748672. Its totient is φ = 7311492.

The previous prime is 8530063. The next prime is 8530099. The reversal of 8530081 is 1800358.

8530081 = 430² + 431² + ... + 471².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8530063) and next prime (8530099).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8530081 is a prime.

It is a super-2 number, since 2×8530081² = 145524563733122, which contains 22 as substring.

It is a Duffinian number.

8530081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8530001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609285 + ... + 609298.

It is an arithmetic number, because the mean of its divisors is an integer number (2437168).

Almost surely, 2^8530081 is an apocalyptic number.

It is an amenable number.

8530081 is a deficient number, since it is larger than the sum of its proper divisors (1218591).

8530081 is a wasteful number, since it uses less digits than its factorization.

8530081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218590.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 8530081 is about 2920.6302402050. The cubic root of 8530081 is about 204.3232172799.

The spelling of 8530081 in words is "eight million, five hundred thirty thousand, eighty-one".