256674359 has 2 divisors, whose sum is σ = 256674360. Its totient is φ = 256674358.

The previous prime is 256674343. The next prime is 256674371. The reversal of 256674359 is 953476652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256674359 - 2⁴ = 256674343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256674559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128337179 + 128337180.

It is an arithmetic number, because the mean of its divisors is an integer number (128337180).

Almost surely, 2^256674359 is an apocalyptic number.

256674359 is a deficient number, since it is larger than the sum of its proper divisors (1).

256674359 is an equidigital number, since it uses as much as digits as its factorization.

256674359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The square root of 256674359 is about 16021.0598588233. The cubic root of 256674359 is about 635.5174726637.

The spelling of 256674359 in words is "two hundred fifty-six million, six hundred seventy-four thousand, three hundred fifty-nine".