6550471 has 2 divisors, whose sum is σ = 6550472. Its totient is φ = 6550470.

The previous prime is 6550417. The next prime is 6550499. The reversal of 6550471 is 1740556.

Together with previous prime (6550417) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (6550499) can be obtained adding 6550471 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6550471 - 2¹³ = 6542279 is a prime.

It is a super-3 number, since 3×6550471³ (a number of 21 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6550771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275235 + 3275236.

It is an arithmetic number, because the mean of its divisors is an integer number (3275236).

Almost surely, 2^6550471 is an apocalyptic number.

6550471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550471 is an equidigital number, since it uses as much as digits as its factorization.

6550471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 6550471 is about 2559.3887942241. The cubic root of 6550471 is about 187.1073477847.

It can be divided in two parts, 6550 and 471, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6550471 in words is "six million, five hundred fifty thousand, four hundred seventy-one".