256325611 has 2 divisors, whose sum is σ = 256325612. Its totient is φ = 256325610.

The previous prime is 256325581. The next prime is 256325627. The reversal of 256325611 is 116523652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256325611 - 2¹¹ = 256323563 is a prime.

It is not a weakly prime, because it can be changed into another prime (256325651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128162805 + 128162806.

It is an arithmetic number, because the mean of its divisors is an integer number (128162806).

Almost surely, 2^256325611 is an apocalyptic number.

256325611 is a deficient number, since it is larger than the sum of its proper divisors (1).

256325611 is an equidigital number, since it uses as much as digits as its factorization.

256325611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 256325611 is about 16010.1721102554. The cubic root of 256325611 is about 635.2295125882.

The spelling of 256325611 in words is "two hundred fifty-six million, three hundred twenty-five thousand, six hundred eleven".