80566001 has 4 divisors (see below), whose sum is σ = 81154212. Its totient is φ = 79977792.

The previous prime is 80565967. The next prime is 80566007. The reversal of 80566001 is 10066508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46226401 + 34339600 = 6799^2 + 5860^2 .

It is a cyclic number.

It is not a de Polignac number, because 80566001 - 2¹⁰ = 80564977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80566007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293900 + ... + 294173.

It is an arithmetic number, because the mean of its divisors is an integer number (20288553).

Almost surely, 2^80566001 is an apocalyptic number.

It is an amenable number.

80566001 is a deficient number, since it is larger than the sum of its proper divisors (588211).

80566001 is a wasteful number, since it uses less digits than its factorization.

80566001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588210.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80566001 is about 8975.8565607969. The cubic root of 80566001 is about 431.9007277180.

The spelling of 80566001 in words is "eighty million, five hundred sixty-six thousand, one".