80132281 has 2 divisors, whose sum is σ = 80132282. Its totient is φ = 80132280.

The previous prime is 80132257. The next prime is 80132287. The reversal of 80132281 is 18223108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 27206656 = 7275^2 + 5216^2 .

It is a cyclic number.

It is not a de Polignac number, because 80132281 - 2⁷ = 80132153 is a prime.

It is a super-2 number, since 2×80132281² = 12842364916525922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80132287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40066140 + 40066141.

It is an arithmetic number, because the mean of its divisors is an integer number (40066141).

Almost surely, 2^80132281 is an apocalyptic number.

It is an amenable number.

80132281 is a deficient number, since it is larger than the sum of its proper divisors (1).

80132281 is an equidigital number, since it uses as much as digits as its factorization.

80132281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80132281 is about 8951.6635884063. The cubic root of 80132281 is about 431.1242995403.

Adding to 80132281 its reverse (18223108), we get a palindrome (98355389).

The spelling of 80132281 in words is "eighty million, one hundred thirty-two thousand, two hundred eighty-one".