80516473 has 2 divisors, whose sum is σ = 80516474. Its totient is φ = 80516472.

The previous prime is 80516459. The next prime is 80516483. The reversal of 80516473 is 37461508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61261929 + 19254544 = 7827^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 80516473 - 2²¹ = 78419321 is a prime.

It is not a weakly prime, because it can be changed into another prime (80516483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40258236 + 40258237.

It is an arithmetic number, because the mean of its divisors is an integer number (40258237).

Almost surely, 2^80516473 is an apocalyptic number.

It is an amenable number.

80516473 is a deficient number, since it is larger than the sum of its proper divisors (1).

80516473 is an equidigital number, since it uses as much as digits as its factorization.

80516473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 80516473 is about 8973.0971799039. The cubic root of 80516473 is about 431.8122058275.

The spelling of 80516473 in words is "eighty million, five hundred sixteen thousand, four hundred seventy-three".