256068299 has 2 divisors, whose sum is σ = 256068300. Its totient is φ = 256068298.

The previous prime is 256068259. The next prime is 256068313. The reversal of 256068299 is 992860652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256068299 - 2¹⁶ = 256002763 is a prime.

It is not a weakly prime, because it can be changed into another prime (256068209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128034149 + 128034150.

It is an arithmetic number, because the mean of its divisors is an integer number (128034150).

Almost surely, 2^256068299 is an apocalyptic number.

256068299 is a deficient number, since it is larger than the sum of its proper divisors (1).

256068299 is an equidigital number, since it uses as much as digits as its factorization.

256068299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 256068299 is about 16002.1342014120. The cubic root of 256068299 is about 635.0168834249.

The spelling of 256068299 in words is "two hundred fifty-six million, sixty-eight thousand, two hundred ninety-nine".