256110641 has 4 divisors (see below), whose sum is σ = 262357284. Its totient is φ = 249864000.

The previous prime is 256110619. The next prime is 256110643. The reversal of 256110641 is 146011652.

256110641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152152225 + 103958416 = 12335^2 + 10196^2 .

It is a cyclic number.

It is not a de Polignac number, because 256110641 - 2⁶ = 256110577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256110641.

It is not an unprimeable number, because it can be changed into a prime (256110643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123260 + ... + 3123341.

It is an arithmetic number, because the mean of its divisors is an integer number (65589321).

Almost surely, 2^256110641 is an apocalyptic number.

It is an amenable number.

256110641 is a deficient number, since it is larger than the sum of its proper divisors (6246643).

256110641 is an equidigital number, since it uses as much as digits as its factorization.

256110641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246642.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 256110641 is about 16003.4571577519. The cubic root of 256110641 is about 635.0518824246.

The spelling of 256110641 in words is "two hundred fifty-six million, one hundred ten thousand, six hundred forty-one".