255308929 has 2 divisors, whose sum is σ = 255308930. Its totient is φ = 255308928.

The previous prime is 255308899. The next prime is 255308957. The reversal of 255308929 is 929803552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254338704 + 970225 = 15948^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 255308929 - 2¹³ = 255300737 is a prime.

It is not a weakly prime, because it can be changed into another prime (255308969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127654464 + 127654465.

It is an arithmetic number, because the mean of its divisors is an integer number (127654465).

Almost surely, 2^255308929 is an apocalyptic number.

It is an amenable number.

255308929 is a deficient number, since it is larger than the sum of its proper divisors (1).

255308929 is an equidigital number, since it uses as much as digits as its factorization.

255308929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 255308929 is about 15978.3894369864. The cubic root of 255308929 is about 634.3885481637.

The spelling of 255308929 in words is "two hundred fifty-five million, three hundred eight thousand, nine hundred twenty-nine".