6468481 has 2 divisors, whose sum is σ = 6468482. Its totient is φ = 6468480.

The previous prime is 6468463. The next prime is 6468509. The reversal of 6468481 is 1848646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 1540081 = 2220^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 6468481 - 2⁹ = 6467969 is a prime.

It is a super-2 number, since 2×6468481² = 83682492894722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6468481.

It is not a weakly prime, because it can be changed into another prime (6468401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234240 + 3234241.

It is an arithmetic number, because the mean of its divisors is an integer number (3234241).

Almost surely, 2^6468481 is an apocalyptic number.

It is an amenable number.

6468481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468481 is an equidigital number, since it uses as much as digits as its factorization.

6468481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 6468481 is about 2543.3208606072. The cubic root of 6468481 is about 186.3234150468.

The spelling of 6468481 in words is "six million, four hundred sixty-eight thousand, four hundred eighty-one".