80256271 has 2 divisors, whose sum is σ = 80256272. Its totient is φ = 80256270.

The previous prime is 80256263. The next prime is 80256277. The reversal of 80256271 is 17265208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80256271 - 2³ = 80256263 is a prime.

It is equal to p_4683460 and since 80256271 and 4683460 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80256277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40128135 + 40128136.

It is an arithmetic number, because the mean of its divisors is an integer number (40128136).

Almost surely, 2^80256271 is an apocalyptic number.

80256271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80256271 is an equidigital number, since it uses as much as digits as its factorization.

80256271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 80256271 is about 8958.5864398352. The cubic root of 80256271 is about 431.3465468638.

The spelling of 80256271 in words is "eighty million, two hundred fifty-six thousand, two hundred seventy-one".