80481571 has 2 divisors, whose sum is σ = 80481572. Its totient is φ = 80481570.

The previous prime is 80481563. The next prime is 80481589. The reversal of 80481571 is 17518408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80481571 - 2³ = 80481563 is a prime.

It is not a weakly prime, because it can be changed into another prime (80481871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40240785 + 40240786.

It is an arithmetic number, because the mean of its divisors is an integer number (40240786).

Almost surely, 2^80481571 is an apocalyptic number.

80481571 is a deficient number, since it is larger than the sum of its proper divisors (1).

80481571 is an equidigital number, since it uses as much as digits as its factorization.

80481571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 80481571 is about 8971.1521556598. The cubic root of 80481571 is about 431.7498033268.

Adding to 80481571 its reverse (17518408), we get a palindrome (97999979).

The spelling of 80481571 in words is "eighty million, four hundred eighty-one thousand, five hundred seventy-one".