8542081 has 8 divisors (see below), whose sum is σ = 8944128. Its totient is φ = 8148000.

The previous prime is 8542069. The next prime is 8542129. The reversal of 8542081 is 1802458.

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 8542081 - 2¹¹ = 8540033 is a prime.

It is a super-2 number, since 2×8542081² = 145934295621122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (1118016).

Almost surely, 2^8542081 is an apocalyptic number.

It is an amenable number.

8542081 is a deficient number, since it is larger than the sum of its proper divisors (402047).

8542081 is a wasteful number, since it uses less digits than its factorization.

8542081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8542081 is about 2922.6838693229. The cubic root of 8542081 is about 204.4189854110.

The spelling of 8542081 in words is "eight million, five hundred forty-two thousand, eighty-one".