256006675 has 12 divisors (see below), whose sum is σ = 331251120. Its totient is φ = 195900320.

The previous prime is 256006651. The next prime is 256006679. The reversal of 256006675 is 576600652.

It is not a de Polignac number, because 256006675 - 2⁵ = 256006643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256006679) 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 11 ways as a sum of consecutive naturals, for example, 222040 + ... + 223189.

It is an arithmetic number, because the mean of its divisors is an integer number (27604260).

Almost surely, 2^256006675 is an apocalyptic number.

256006675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256006675 is a deficient number, since it is larger than the sum of its proper divisors (75244445).

256006675 is a wasteful number, since it uses less digits than its factorization.

256006675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445262 (or 445257 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 256006675 is about 16000.2085923903. The cubic root of 256006675 is about 634.9659394383.

The spelling of 256006675 in words is "two hundred fifty-six million, six thousand, six hundred seventy-five".