256067741 has 2 divisors, whose sum is σ = 256067742. Its totient is φ = 256067740.

The previous prime is 256067723. The next prime is 256067783. The reversal of 256067741 is 147760652.

256067741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228463225 + 27604516 = 15115^2 + 5254^2 .

It is a cyclic number.

It is not a de Polignac number, because 256067741 - 2¹⁰ = 256066717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256067695 and 256067704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256067711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128033870 + 128033871.

It is an arithmetic number, because the mean of its divisors is an integer number (128033871).

Almost surely, 2^256067741 is an apocalyptic number.

It is an amenable number.

256067741 is a deficient number, since it is larger than the sum of its proper divisors (1).

256067741 is an equidigital number, since it uses as much as digits as its factorization.

256067741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 256067741 is about 16002.1167662281. The cubic root of 256067741 is about 635.0164221681.

The spelling of 256067741 in words is "two hundred fifty-six million, sixty-seven thousand, seven hundred forty-one".