6487223 has 2 divisors, whose sum is σ = 6487224. Its totient is φ = 6487222.

The previous prime is 6487181. The next prime is 6487259. The reversal of 6487223 is 3227846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6487223 - 2¹⁴ = 6470839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6487223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6487123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243611 + 3243612.

It is an arithmetic number, because the mean of its divisors is an integer number (3243612).

Almost surely, 2^6487223 is an apocalyptic number.

6487223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6487223 is an equidigital number, since it uses as much as digits as its factorization.

6487223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 6487223 is about 2547.0027483299. The cubic root of 6487223 is about 186.5031948220.

The spelling of 6487223 in words is "six million, four hundred eighty-seven thousand, two hundred twenty-three".