256271353 has 8 divisors (see below), whose sum is σ = 277639488. Its totient is φ = 235139664.

The previous prime is 256271303. The next prime is 256271369. The reversal of 256271353 is 353172652.

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-256271353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256271303) 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, 56851 + ... + 61192.

It is an arithmetic number, because the mean of its divisors is an integer number (34704936).

Almost surely, 2^256271353 is an apocalyptic number.

It is an amenable number.

256271353 is a deficient number, since it is larger than the sum of its proper divisors (21368135).

256271353 is a wasteful number, since it uses less digits than its factorization.

256271353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118223.

The product of its digits is 37800, while the sum is 34.

The square root of 256271353 is about 16008.4775353561. The cubic root of 256271353 is about 635.1846884613.

The spelling of 256271353 in words is "two hundred fifty-six million, two hundred seventy-one thousand, three hundred fifty-three".