256315341 has 8 divisors (see below), whose sum is σ = 361857024. Its totient is φ = 160825280.

The previous prime is 256315331. The next prime is 256315343. The reversal of 256315341 is 143513652.

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 256315341 - 2⁶ = 256315277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256315299 and 256315308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256315343) 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, 2512845 + ... + 2512946.

It is an arithmetic number, because the mean of its divisors is an integer number (45232128).

Almost surely, 2^256315341 is an apocalyptic number.

It is an amenable number.

256315341 is a deficient number, since it is larger than the sum of its proper divisors (105541683).

256315341 is a wasteful number, since it uses less digits than its factorization.

256315341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025811.

The product of its digits is 10800, while the sum is 30.

The square root of 256315341 is about 16009.8513734513. The cubic root of 256315341 is about 635.2210287250.

Adding to 256315341 its reverse (143513652), we get a palindrome (399828993).

The spelling of 256315341 in words is "two hundred fifty-six million, three hundred fifteen thousand, three hundred forty-one".