256054263 has 16 divisors (see below), whose sum is σ = 344749440. Its totient is φ = 169037856.

The previous prime is 256054243. The next prime is 256054273. The reversal of 256054263 is 362450652.

It is not a de Polignac number, because 256054263 - 2⁶ = 256054199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256054223) 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 in 15 ways as a sum of consecutive naturals, for example, 281856 + ... + 282762.

It is an arithmetic number, because the mean of its divisors is an integer number (21546840).

Almost surely, 2^256054263 is an apocalyptic number.

256054263 is a deficient number, since it is larger than the sum of its proper divisors (88695177).

256054263 is a wasteful number, since it uses less digits than its factorization.

256054263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 256054263 is about 16001.6956289013. The cubic root of 256054263 is about 635.0052807133.

The spelling of 256054263 in words is "two hundred fifty-six million, fifty-four thousand, two hundred sixty-three".