80551271 has 2 divisors, whose sum is σ = 80551272. Its totient is φ = 80551270.

The previous prime is 80551249. The next prime is 80551283. The reversal of 80551271 is 17215508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80551271 - 2²² = 76356967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80551231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40275635 + 40275636.

It is an arithmetic number, because the mean of its divisors is an integer number (40275636).

Almost surely, 2^80551271 is an apocalyptic number.

80551271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80551271 is an equidigital number, since it uses as much as digits as its factorization.

80551271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 80551271 is about 8975.0359887858. The cubic root of 80551271 is about 431.8744044327.

Adding to 80551271 its reverse (17215508), we get a palindrome (97766779).

It can be divided in two parts, 805 and 51271, that multiplied together give a triangular number (41273155 = T₉₀₈₅).

The spelling of 80551271 in words is "eighty million, five hundred fifty-one thousand, two hundred seventy-one".