256382103 has 8 divisors (see below), whose sum is σ = 345961728. Its totient is φ = 168861944.

The previous prime is 256382089. The next prime is 256382107. The reversal of 256382103 is 301283652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256382103 - 2⁹ = 256381591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256382107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 514575 + ... + 515072.

It is an arithmetic number, because the mean of its divisors is an integer number (43245216).

Almost surely, 2^256382103 is an apocalyptic number.

256382103 is a deficient number, since it is larger than the sum of its proper divisors (89579625).

256382103 is a wasteful number, since it uses less digits than its factorization.

256382103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029733.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 256382103 is about 16011.9362664232. The cubic root of 256382103 is about 635.2761755670.

It can be divided in two parts, 2563 and 82103, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 256382103 in words is "two hundred fifty-six million, three hundred eighty-two thousand, one hundred three".