255929473 has 2 divisors, whose sum is σ = 255929474. Its totient is φ = 255929472.

The previous prime is 255929431. The next prime is 255929477. The reversal of 255929473 is 374929552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 21594609 = 15308^2 + 4647^2 .

It is a cyclic number.

It is not a de Polignac number, because 255929473 - 2¹⁷ = 255798401 is a prime.

It is not a weakly prime, because it can be changed into another prime (255929477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127964736 + 127964737.

It is an arithmetic number, because the mean of its divisors is an integer number (127964737).

Almost surely, 2^255929473 is an apocalyptic number.

It is an amenable number.

255929473 is a deficient number, since it is larger than the sum of its proper divisors (1).

255929473 is an equidigital number, since it uses as much as digits as its factorization.

255929473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 255929473 is about 15997.7958794329. The cubic root of 255929473 is about 634.9021057266.

The spelling of 255929473 in words is "two hundred fifty-five million, nine hundred twenty-nine thousand, four hundred seventy-three".