256527614317 has 8 divisors (see below), whose sum is σ = 276919846560. Its totient is φ = 236229573360.

The previous prime is 256527614303. The next prime is 256527614359. The reversal of 256527614317 is 713416725652.

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-256527614317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256527614417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23542159 + ... + 23553052.

It is an arithmetic number, because the mean of its divisors is an integer number (34614980820).

Almost surely, 2^256527614317 is an apocalyptic number.

It is an amenable number.

256527614317 is a deficient number, since it is larger than the sum of its proper divisors (20392232243).

256527614317 is a wasteful number, since it uses less digits than its factorization.

256527614317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47095643.

The product of its digits is 2116800, while the sum is 49.

The spelling of 256527614317 in words is "two hundred fifty-six billion, five hundred twenty-seven million, six hundred fourteen thousand, three hundred seventeen".