256082755 has 4 divisors (see below), whose sum is σ = 307299312. Its totient is φ = 204866200.

The previous prime is 256082737. The next prime is 256082797. The reversal of 256082755 is 557280652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 256082755 - 2¹³ = 256074563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25608271 + ... + 25608280.

It is an arithmetic number, because the mean of its divisors is an integer number (76824828).

Almost surely, 2^256082755 is an apocalyptic number.

256082755 is a deficient number, since it is larger than the sum of its proper divisors (51216557).

256082755 is an equidigital number, since it uses as much as digits as its factorization.

256082755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51216556.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 256082755 is about 16002.5858847875. The cubic root of 256082755 is about 635.0288328818.

The spelling of 256082755 in words is "two hundred fifty-six million, eighty-two thousand, seven hundred fifty-five".