256264441 has 2 divisors, whose sum is σ = 256264442. Its totient is φ = 256264440.

The previous prime is 256264429. The next prime is 256264453. The reversal of 256264441 is 144462652.

It is a balanced prime because it is at equal distance from previous prime (256264429) and next prime (256264453).

It can be written as a sum of positive squares in only one way, i.e., 215355625 + 40908816 = 14675^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 256264441 - 2¹⁷ = 256133369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256264397 and 256264406.

It is not a weakly prime, because it can be changed into another prime (256261441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128132220 + 128132221.

It is an arithmetic number, because the mean of its divisors is an integer number (128132221).

Almost surely, 2^256264441 is an apocalyptic number.

It is an amenable number.

256264441 is a deficient number, since it is larger than the sum of its proper divisors (1).

256264441 is an equidigital number, since it uses as much as digits as its factorization.

256264441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 34.

The square root of 256264441 is about 16008.2616482865. The cubic root of 256264441 is about 635.1789778009.

The spelling of 256264441 in words is "two hundred fifty-six million, two hundred sixty-four thousand, four hundred forty-one".