80500471 has 2 divisors, whose sum is σ = 80500472. Its totient is φ = 80500470.

The previous prime is 80500463. The next prime is 80500489. The reversal of 80500471 is 17400508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80500471 - 2³ = 80500463 is a prime.

It is a super-3 number, since 3×80500471³ (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 (80500571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40250235 + 40250236.

It is an arithmetic number, because the mean of its divisors is an integer number (40250236).

Almost surely, 2^80500471 is an apocalyptic number.

80500471 is a deficient number, since it is larger than the sum of its proper divisors (1).

80500471 is an equidigital number, since it uses as much as digits as its factorization.

80500471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 80500471 is about 8972.2054702286. The cubic root of 80500471 is about 431.7835975338.

Adding to 80500471 its reverse (17400508), we get a palindrome (97900979).

The spelling of 80500471 in words is "eighty million, five hundred thousand, four hundred seventy-one".