256047153 has 8 divisors (see below), whose sum is σ = 342825600. Its totient is φ = 169983408.

The previous prime is 256047139. The next prime is 256047157. The reversal of 256047153 is 351740652.

256047153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 256047153 - 2⁶ = 256047089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256047157) 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, 177838 + ... + 179271.

It is an arithmetic number, because the mean of its divisors is an integer number (42853200).

Almost surely, 2^256047153 is an apocalyptic number.

It is an amenable number.

256047153 is a deficient number, since it is larger than the sum of its proper divisors (86778447).

256047153 is a wasteful number, since it uses less digits than its factorization.

256047153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357351.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 256047153 is about 16001.4734634033. The cubic root of 256047153 is about 634.9994031449. Note that the first 3 decimals are identical.

The spelling of 256047153 in words is "two hundred fifty-six million, forty-seven thousand, one hundred fifty-three".