8551081 has 8 divisors (see below), whose sum is σ = 10661184. Its totient is φ = 6663120.

The previous prime is 8551079. The next prime is 8551087. The reversal of 8551081 is 1801558.

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 8551081 - 2¹ = 8551079 is a prime.

It is a super-2 number, since 2×8551081² = 146241972537122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8551087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55450 + ... + 55603.

It is an arithmetic number, because the mean of its divisors is an integer number (1332648).

Almost surely, 2^8551081 is an apocalyptic number.

It is an amenable number.

8551081 is a deficient number, since it is larger than the sum of its proper divisors (2110103).

8551081 is a wasteful number, since it uses less digits than its factorization.

8551081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111071.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 8551081 is about 2924.2231447001. The cubic root of 8551081 is about 204.4907526660.

It can be divided in two parts, 855 and 1081, that added together give a square (1936 = 44²).

The spelling of 8551081 in words is "eight million, five hundred fifty-one thousand, eighty-one".