6478471 has 2 divisors, whose sum is σ = 6478472. Its totient is φ = 6478470.

The previous prime is 6478469. The next prime is 6478481. The reversal of 6478471 is 1748746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6478471 - 2¹ = 6478469 is a prime.

It is a super-3 number, since 3×6478471³ (a number of 21 digits) contains 333 as substring.

Together with 6478469, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6478471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239235 + 3239236.

It is an arithmetic number, because the mean of its divisors is an integer number (3239236).

Almost surely, 2^6478471 is an apocalyptic number.

6478471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478471 is an equidigital number, since it uses as much as digits as its factorization.

6478471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 6478471 is about 2545.2840705902. The cubic root of 6478471 is about 186.4192857516.

The spelling of 6478471 in words is "six million, four hundred seventy-eight thousand, four hundred seventy-one".