256341227 has 2 divisors, whose sum is σ = 256341228. Its totient is φ = 256341226.

The previous prime is 256341223. The next prime is 256341251. The reversal of 256341227 is 722143652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256341227 - 2² = 256341223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 256341193 and 256341202.

It is not a weakly prime, because it can be changed into another prime (256341223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128170613 + 128170614.

It is an arithmetic number, because the mean of its divisors is an integer number (128170614).

Almost surely, 2^256341227 is an apocalyptic number.

256341227 is a deficient number, since it is larger than the sum of its proper divisors (1).

256341227 is an equidigital number, since it uses as much as digits as its factorization.

256341227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 256341227 is about 16010.6597927756. The cubic root of 256341227 is about 635.2424122520.

Adding to 256341227 its reverse (722143652), we get a palindrome (978484879).

The spelling of 256341227 in words is "two hundred fifty-six million, three hundred forty-one thousand, two hundred twenty-seven".