80580533 has 4 divisors (see below), whose sum is σ = 87906048. Its totient is φ = 73255020.

The previous prime is 80580503. The next prime is 80580557. The reversal of 80580533 is 33508508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80580533 - 2⁶ = 80580469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80580533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80580503) 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, 3662741 + ... + 3662762.

It is an arithmetic number, because the mean of its divisors is an integer number (21976512).

Almost surely, 2^80580533 is an apocalyptic number.

It is an amenable number.

80580533 is a deficient number, since it is larger than the sum of its proper divisors (7325515).

80580533 is a wasteful number, since it uses less digits than its factorization.

80580533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325514.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 80580533 is about 8976.6660292115. Note that the first 3 decimals coincide. The cubic root of 80580533 is about 431.9266940229.

The spelling of 80580533 in words is "eighty million, five hundred eighty thousand, five hundred thirty-three".