256467703 has 2 divisors, whose sum is σ = 256467704. Its totient is φ = 256467702.

The previous prime is 256467697. The next prime is 256467707. The reversal of 256467703 is 307764652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256467703 - 2⁵ = 256467671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256467707) 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, 128233851 + 128233852.

It is an arithmetic number, because the mean of its divisors is an integer number (128233852).

Almost surely, 2^256467703 is an apocalyptic number.

256467703 is a deficient number, since it is larger than the sum of its proper divisors (1).

256467703 is an equidigital number, since it uses as much as digits as its factorization.

256467703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 256467703 is about 16014.6090492400. The cubic root of 256467703 is about 635.3468689956.

The spelling of 256467703 in words is "two hundred fifty-six million, four hundred sixty-seven thousand, seven hundred three".