8312081 has 8 divisors (see below), whose sum is σ = 8468064. Its totient is φ = 8157760.

The previous prime is 8312033. The next prime is 8312093. The reversal of 8312081 is 1802138.

8312081 = 224² + 225² + ... + 330².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8312081 - 2¹⁴ = 8295697 is a prime.

It is a super-2 number, since 2×8312081² = 138181381101122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8312281) 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 in 7 ways as a sum of consecutive naturals, for example, 13721 + ... + 14313.

It is an arithmetic number, because the mean of its divisors is an integer number (1058508).

Almost surely, 2^8312081 is an apocalyptic number.

It is an amenable number.

8312081 is a deficient number, since it is larger than the sum of its proper divisors (155983).

8312081 is a wasteful number, since it uses less digits than its factorization.

8312081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8312081 is about 2883.0679839366. The cubic root of 8312081 is about 202.5675718204.

The spelling of 8312081 in words is "eight million, three hundred twelve thousand, eighty-one".