6478061 has 2 divisors, whose sum is σ = 6478062. Its totient is φ = 6478060.

The previous prime is 6478033. The next prime is 6478103. The reversal of 6478061 is 1608746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6280036 + 198025 = 2506^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478061 - 2¹⁸ = 6215917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478961) 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, 3239030 + 3239031.

It is an arithmetic number, because the mean of its divisors is an integer number (3239031).

Almost surely, 2^6478061 is an apocalyptic number.

It is an amenable number.

6478061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478061 is an equidigital number, since it uses as much as digits as its factorization.

6478061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6478061 is about 2545.2035282075. The cubic root of 6478061 is about 186.4153530582.

It can be divided in two parts, 64 and 78061, that added together give a 7-th power (78125 = 5⁷).

The spelling of 6478061 in words is "six million, four hundred seventy-eight thousand, sixty-one".