8481313 has 2 divisors, whose sum is σ = 8481314. Its totient is φ = 8481312.

The previous prime is 8481307. The next prime is 8481331. The reversal of 8481313 is 3131848.

Together with next prime (8481331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 117649 = 2892^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 8481313 - 2¹⁷ = 8350241 is a prime.

It is not a weakly prime, because it can be changed into another prime (8481373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240656 + 4240657.

It is an arithmetic number, because the mean of its divisors is an integer number (4240657).

Almost surely, 2^8481313 is an apocalyptic number.

It is an amenable number.

8481313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481313 is an equidigital number, since it uses as much as digits as its factorization.

8481313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 8481313 is about 2912.2693900119. The cubic root of 8481313 is about 203.9330887183.

The spelling of 8481313 in words is "eight million, four hundred eighty-one thousand, three hundred thirteen".