256024427 has 2 divisors, whose sum is σ = 256024428. Its totient is φ = 256024426.

The previous prime is 256024421. The next prime is 256024481. The reversal of 256024427 is 724420652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256024427 - 2¹⁶ = 255958891 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 256024393 and 256024402.

It is not a weakly prime, because it can be changed into another prime (256024421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128012213 + 128012214.

It is an arithmetic number, because the mean of its divisors is an integer number (128012214).

Almost surely, 2^256024427 is an apocalyptic number.

256024427 is a deficient number, since it is larger than the sum of its proper divisors (1).

256024427 is an equidigital number, since it uses as much as digits as its factorization.

256024427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 256024427 is about 16000.7633255417. The cubic root of 256024427 is about 634.9806156895.

The spelling of 256024427 in words is "two hundred fifty-six million, twenty-four thousand, four hundred twenty-seven".