256704341 has 2 divisors, whose sum is σ = 256704342. Its totient is φ = 256704340.

The previous prime is 256704323. The next prime is 256704359. The reversal of 256704341 is 143407652.

It is a balanced prime because it is at equal distance from previous prime (256704323) and next prime (256704359).

It can be written as a sum of positive squares in only one way, i.e., 220403716 + 36300625 = 14846^2 + 6025^2 .

It is a cyclic number.

It is not a de Polignac number, because 256704341 - 2⁶ = 256704277 is a prime.

It is equal to p_14025686 and since 256704341 and 14025686 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 256704298 and 256704307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256704841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128352170 + 128352171.

It is an arithmetic number, because the mean of its divisors is an integer number (128352171).

Almost surely, 2^256704341 is an apocalyptic number.

It is an amenable number.

256704341 is a deficient number, since it is larger than the sum of its proper divisors (1).

256704341 is an equidigital number, since it uses as much as digits as its factorization.

256704341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 256704341 is about 16021.9955373855. The cubic root of 256704341 is about 635.5422165234.

The spelling of 256704341 in words is "two hundred fifty-six million, seven hundred four thousand, three hundred forty-one".