8365481 has 2 divisors, whose sum is σ = 8365482. Its totient is φ = 8365480.

The previous prime is 8365477. The next prime is 8365493. The reversal of 8365481 is 1845638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8265625 + 99856 = 2875^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 8365481 - 2² = 8365477 is a prime.

It is a super-2 number, since 2×8365481² = 139962544722722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8365421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4182740 + 4182741.

It is an arithmetic number, because the mean of its divisors is an integer number (4182741).

Almost surely, 2^8365481 is an apocalyptic number.

It is an amenable number.

8365481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8365481 is an equidigital number, since it uses as much as digits as its factorization.

8365481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 8365481 is about 2892.3141254020. The cubic root of 8365481 is about 203.0004367968. Note that the first 3 decimals are identical.

The spelling of 8365481 in words is "eight million, three hundred sixty-five thousand, four hundred eighty-one".