8481481 has 2 divisors, whose sum is σ = 8481482. Its totient is φ = 8481480.

The previous prime is 8481469. The next prime is 8481493. The reversal of 8481481 is 1841848.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8481469) and next prime (8481493).

It can be written as a sum of positive squares in only one way, i.e., 8317456 + 164025 = 2884^2 + 405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8481481 is a prime.

It is a super-2 number, since 2×8481481² = 143871039906722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8481461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240740 + 4240741.

It is an arithmetic number, because the mean of its divisors is an integer number (4240741).

Almost surely, 2^8481481 is an apocalyptic number.

It is an amenable number.

8481481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481481 is an equidigital number, since it uses as much as digits as its factorization.

8481481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8192, while the sum is 34.

The square root of 8481481 is about 2912.2982333545. The cubic root of 8481481 is about 203.9344352289.

The spelling of 8481481 in words is "eight million, four hundred eighty-one thousand, four hundred eighty-one".