8648131 has 2 divisors, whose sum is σ = 8648132. Its totient is φ = 8648130.

The previous prime is 8648113. The next prime is 8648149. The reversal of 8648131 is 1318468.

Together with previous prime (8648113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (8648113) and next prime (8648149).

It is a cyclic number.

It is not a de Polignac number, because 8648131 - 2⁵ = 8648099 is a prime.

It is a super-2 number, since 2×8648131² = 149580339586322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8648093 and 8648102.

It is not a weakly prime, because it can be changed into another prime (8648111) 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, 4324065 + 4324066.

It is an arithmetic number, because the mean of its divisors is an integer number (4324066).

Almost surely, 2^8648131 is an apocalyptic number.

8648131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8648131 is an equidigital number, since it uses as much as digits as its factorization.

8648131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 8648131 is about 2940.7704772729. The cubic root of 8648131 is about 205.2614629305.

The spelling of 8648131 in words is "eight million, six hundred forty-eight thousand, one hundred thirty-one".