82480457 has 2 divisors, whose sum is σ = 82480458. Its totient is φ = 82480456.

The previous prime is 82480399. The next prime is 82480499. The reversal of 82480457 is 75408428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 5812921 = 8756^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 82480457 - 2⁶ = 82480393 is a prime.

It is a Chen prime.

It is equal to p_4805759 and since 82480457 and 4805759 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82480457.

It is not a weakly prime, because it can be changed into another prime (82480757) 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, 41240228 + 41240229.

It is an arithmetic number, because the mean of its divisors is an integer number (41240229).

Almost surely, 2^82480457 is an apocalyptic number.

It is an amenable number.

82480457 is a deficient number, since it is larger than the sum of its proper divisors (1).

82480457 is an equidigital number, since it uses as much as digits as its factorization.

82480457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 82480457 is about 9081.8751918313. The cubic root of 82480457 is about 435.2950075323.

The spelling of 82480457 in words is "eighty-two million, four hundred eighty thousand, four hundred fifty-seven".