80580521 has 8 divisors (see below), whose sum is σ = 92152320. Its totient is φ = 69023808.

The previous prime is 80580503. The next prime is 80580557. The reversal of 80580521 is 12508508.

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

It is not a de Polignac number, because 80580521 - 2¹⁴ = 80564137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80580421) 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, 12200 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (11519040).

Almost surely, 2^80580521 is an apocalyptic number.

It is an amenable number.

80580521 is a deficient number, since it is larger than the sum of its proper divisors (11571799).

80580521 is a wasteful number, since it uses less digits than its factorization.

80580521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 80580521 is about 8976.6653608119. The cubic root of 80580521 is about 431.9266725822.

The spelling of 80580521 in words is "eighty million, five hundred eighty thousand, five hundred twenty-one".