6547423 has 2 divisors, whose sum is σ = 6547424. Its totient is φ = 6547422.

The previous prime is 6547399. The next prime is 6547427. The reversal of 6547423 is 3247456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6547423 - 2⁵ = 6547391 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 5 + 4⁷ + 7⁴ + 4⁸ + 2⁹ + 3¹⁴ .

6547423 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6547427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273711 + 3273712.

It is an arithmetic number, because the mean of its divisors is an integer number (3273712).

Almost surely, 2^6547423 is an apocalyptic number.

6547423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6547423 is an equidigital number, since it uses as much as digits as its factorization.

6547423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 6547423 is about 2558.7932702741. The cubic root of 6547423 is about 187.0783223058.

The spelling of 6547423 in words is "six million, five hundred forty-seven thousand, four hundred twenty-three".