256775303 has 2 divisors, whose sum is σ = 256775304. Its totient is φ = 256775302.

The previous prime is 256775297. The next prime is 256775353. The reversal of 256775303 is 303577652.

256775303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256775303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256775353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128387651 + 128387652.

It is an arithmetic number, because the mean of its divisors is an integer number (128387652).

Almost surely, 2^256775303 is an apocalyptic number.

256775303 is a deficient number, since it is larger than the sum of its proper divisors (1).

256775303 is an equidigital number, since it uses as much as digits as its factorization.

256775303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 256775303 is about 16024.2099025194. The cubic root of 256775303 is about 635.6007731124.

The spelling of 256775303 in words is "two hundred fifty-six million, seven hundred seventy-five thousand, three hundred three".