256375347 has 8 divisors (see below), whose sum is σ = 343327440. Its totient is φ = 170170080.

The previous prime is 256375333. The next prime is 256375367. The reversal of 256375347 is 743573652.

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

It is not a de Polignac number, because 256375347 - 2⁷ = 256375219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256375299 and 256375308.

It is not an unprimeable number, because it can be changed into a prime (256375307) 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, 185904 + ... + 187277.

It is an arithmetic number, because the mean of its divisors is an integer number (42915930).

Almost surely, 2^256375347 is an apocalyptic number.

256375347 is a deficient number, since it is larger than the sum of its proper divisors (86952093).

256375347 is a wasteful number, since it uses less digits than its factorization.

256375347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373413.

The product of its digits is 529200, while the sum is 42.

The square root of 256375347 is about 16011.7252974188. The cubic root of 256375347 is about 635.2705954017.

The spelling of 256375347 in words is "two hundred fifty-six million, three hundred seventy-five thousand, three hundred forty-seven".