6181223 has 2 divisors, whose sum is σ = 6181224. Its totient is φ = 6181222.

The previous prime is 6181187. The next prime is 6181229. The reversal of 6181223 is 3221816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6181223 - 2¹⁰ = 6180199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6181229) 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, 3090611 + 3090612.

It is an arithmetic number, because the mean of its divisors is an integer number (3090612).

Almost surely, 2^6181223 is an apocalyptic number.

6181223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6181223 is an equidigital number, since it uses as much as digits as its factorization.

6181223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 6181223 is about 2486.2065481371. The cubic root of 6181223 is about 183.5234102096.

The spelling of 6181223 in words is "six million, one hundred eighty-one thousand, two hundred twenty-three".