80549291 has 2 divisors, whose sum is σ = 80549292. Its totient is φ = 80549290.

The previous prime is 80549263. The next prime is 80549299. The reversal of 80549291 is 19294508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80549291 - 2¹⁰ = 80548267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80549299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40274645 + 40274646.

It is an arithmetic number, because the mean of its divisors is an integer number (40274646).

Almost surely, 2^80549291 is an apocalyptic number.

80549291 is a deficient number, since it is larger than the sum of its proper divisors (1).

80549291 is an equidigital number, since it uses as much as digits as its factorization.

80549291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 80549291 is about 8974.9256821436. The cubic root of 80549291 is about 431.8708658238.

The spelling of 80549291 in words is "eighty million, five hundred forty-nine thousand, two hundred ninety-one".