256046753 has 2 divisors, whose sum is σ = 256046754. Its totient is φ = 256046752.

The previous prime is 256046737. The next prime is 256046759. The reversal of 256046753 is 357640652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170354704 + 85692049 = 13052^2 + 9257^2 .

It is a cyclic number.

It is not a de Polignac number, because 256046753 - 2⁴ = 256046737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_13991915 and since 256046753 and 13991915 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (256046759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128023376 + 128023377.

It is an arithmetic number, because the mean of its divisors is an integer number (128023377).

Almost surely, 2^256046753 is an apocalyptic number.

It is an amenable number.

256046753 is a deficient number, since it is larger than the sum of its proper divisors (1).

256046753 is an equidigital number, since it uses as much as digits as its factorization.

256046753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 256046753 is about 16001.4609645495. The cubic root of 256046753 is about 634.9990724768. Note that the first 3 decimals are identical.

The spelling of 256046753 in words is "two hundred fifty-six million, forty-six thousand, seven hundred fifty-three".