80249471 has 2 divisors, whose sum is σ = 80249472. Its totient is φ = 80249470.

The previous prime is 80249447. The next prime is 80249479. The reversal of 80249471 is 17494208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80249471 - 2¹⁰ = 80248447 is a prime.

It is a super-3 number, since 3×80249471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80249479) 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, 40124735 + 40124736.

It is an arithmetic number, because the mean of its divisors is an integer number (40124736).

Almost surely, 2^80249471 is an apocalyptic number.

80249471 is a deficient number, since it is larger than the sum of its proper divisors (1).

80249471 is an equidigital number, since it uses as much as digits as its factorization.

80249471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 80249471 is about 8958.2069076350. The cubic root of 80249471 is about 431.3343640594.

The spelling of 80249471 in words is "eighty million, two hundred forty-nine thousand, four hundred seventy-one".