80502271 has 2 divisors, whose sum is σ = 80502272. Its totient is φ = 80502270.

The previous prime is 80502239. The next prime is 80502287. The reversal of 80502271 is 17220508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80502271 - 2⁵ = 80502239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80502971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40251135 + 40251136.

It is an arithmetic number, because the mean of its divisors is an integer number (40251136).

Almost surely, 2^80502271 is an apocalyptic number.

80502271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80502271 is an equidigital number, since it uses as much as digits as its factorization.

80502271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 80502271 is about 8972.3057794527. The cubic root of 80502271 is about 431.7868157538.

Adding to 80502271 its reverse (17220508), we get a palindrome (97722779).

The spelling of 80502271 in words is "eighty million, five hundred two thousand, two hundred seventy-one".