256024057 has 2 divisors, whose sum is σ = 256024058. Its totient is φ = 256024056.

The previous prime is 256024037. The next prime is 256024103. The reversal of 256024057 is 750420652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251254201 + 4769856 = 15851^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 256024057 - 2²⁷ = 121806329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256024007) 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, 128012028 + 128012029.

It is an arithmetic number, because the mean of its divisors is an integer number (128012029).

Almost surely, 2^256024057 is an apocalyptic number.

It is an amenable number.

256024057 is a deficient number, since it is larger than the sum of its proper divisors (1).

256024057 is an equidigital number, since it uses as much as digits as its factorization.

256024057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 256024057 is about 16000.7517635891. The cubic root of 256024057 is about 634.9803098034.

The spelling of 256024057 in words is "two hundred fifty-six million, twenty-four thousand, fifty-seven".