256274027 has 8 divisors (see below), whose sum is σ = 272463264. Its totient is φ = 240505408.

The previous prime is 256273909. The next prime is 256274077. The reversal of 256274027 is 720472652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256274027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256274077) 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 7 ways as a sum of consecutive naturals, for example, 103898 + ... + 106335.

It is an arithmetic number, because the mean of its divisors is an integer number (34057908).

Almost surely, 2^256274027 is an apocalyptic number.

256274027 is a deficient number, since it is larger than the sum of its proper divisors (16189237).

256274027 is a wasteful number, since it uses less digits than its factorization.

256274027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210309.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 256274027 is about 16008.5610533864. The cubic root of 256274027 is about 635.1868976795.

The spelling of 256274027 in words is "two hundred fifty-six million, two hundred seventy-four thousand, twenty-seven".