256051153 has 8 divisors (see below), whose sum is σ = 261604160. Its totient is φ = 250549200.

The previous prime is 256051151. The next prime is 256051171. The reversal of 256051153 is 351150652.

256051153 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 a cyclic number.

It is not a de Polignac number, because 256051153 - 2¹ = 256051151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256051151) 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, 2538 + ... + 22771.

It is an arithmetic number, because the mean of its divisors is an integer number (32700520).

Almost surely, 2^256051153 is an apocalyptic number.

It is an amenable number.

256051153 is a deficient number, since it is larger than the sum of its proper divisors (5553007).

256051153 is a wasteful number, since it uses less digits than its factorization.

256051153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25527.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 256051153 is about 16001.5984514048. The cubic root of 256051153 is about 635.0027098072.

The spelling of 256051153 in words is "two hundred fifty-six million, fifty-one thousand, one hundred fifty-three".