256224179 has 2 divisors, whose sum is σ = 256224180. Its totient is φ = 256224178.

The previous prime is 256224127. The next prime is 256224191. The reversal of 256224179 is 971422652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256224179 - 2⁸ = 256223923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256224979) 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, 128112089 + 128112090.

It is an arithmetic number, because the mean of its divisors is an integer number (128112090).

Almost surely, 2^256224179 is an apocalyptic number.

256224179 is a deficient number, since it is larger than the sum of its proper divisors (1).

256224179 is an equidigital number, since it uses as much as digits as its factorization.

256224179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 256224179 is about 16007.0040607229. The cubic root of 256224179 is about 635.1457114930.

The spelling of 256224179 in words is "two hundred fifty-six million, two hundred twenty-four thousand, one hundred seventy-nine".