8662481 has 2 divisors, whose sum is σ = 8662482. Its totient is φ = 8662480.

The previous prime is 8662471. The next prime is 8662483. The reversal of 8662481 is 1842668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 3097600 = 2359^2 + 1760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8662481 is a prime.

It is a super-2 number, since 2×8662481² = 150077154150722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 8662483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8662483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4331240 + 4331241.

It is an arithmetic number, because the mean of its divisors is an integer number (4331241).

Almost surely, 2^8662481 is an apocalyptic number.

It is an amenable number.

8662481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8662481 is an equidigital number, since it uses as much as digits as its factorization.

8662481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 8662481 is about 2943.2093027850. The cubic root of 8662481 is about 205.3749315446.

The spelling of 8662481 in words is "eight million, six hundred sixty-two thousand, four hundred eighty-one".