255998753 has 2 divisors, whose sum is σ = 255998754. Its totient is φ = 255998752.

The previous prime is 255998683. The next prime is 255998773. The reversal of 255998753 is 357899552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204833344 + 51165409 = 14312^2 + 7153^2 .

It is a cyclic number.

It is not a de Polignac number, because 255998753 - 2²⁶ = 188889889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255998695 and 255998704.

It is not a weakly prime, because it can be changed into another prime (255998773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127999376 + 127999377.

It is an arithmetic number, because the mean of its divisors is an integer number (127999377).

Almost surely, 2^255998753 is an apocalyptic number.

It is an amenable number.

255998753 is a deficient number, since it is larger than the sum of its proper divisors (1).

255998753 is an equidigital number, since it uses as much as digits as its factorization.

255998753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 53.

The square root of 255998753 is about 15999.9610312025. The cubic root of 255998753 is about 634.9593898017.

The spelling of 255998753 in words is "two hundred fifty-five million, nine hundred ninety-eight thousand, seven hundred fifty-three".