80500571 has 2 divisors, whose sum is σ = 80500572. Its totient is φ = 80500570.

The previous prime is 80500523. The next prime is 80500573. The reversal of 80500571 is 17500508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80500571 - 2²² = 76306267 is a prime.

Together with 80500573, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80500571.

It is not a weakly prime, because it can be changed into another prime (80500573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40250285 + 40250286.

It is an arithmetic number, because the mean of its divisors is an integer number (40250286).

Almost surely, 2^80500571 is an apocalyptic number.

80500571 is a deficient number, since it is larger than the sum of its proper divisors (1).

80500571 is an equidigital number, since it uses as much as digits as its factorization.

80500571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 80500571 is about 8972.2110429927. The cubic root of 80500571 is about 431.7837763250.

The spelling of 80500571 in words is "eighty million, five hundred thousand, five hundred seventy-one".