255307523 has 2 divisors, whose sum is σ = 255307524. Its totient is φ = 255307522.

The previous prime is 255307501. The next prime is 255307529. The reversal of 255307523 is 325703552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255307523 - 2²⁰ = 254258947 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255307523.

It is not a weakly prime, because it can be changed into another prime (255307529) 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, 127653761 + 127653762.

It is an arithmetic number, because the mean of its divisors is an integer number (127653762).

Almost surely, 2^255307523 is an apocalyptic number.

255307523 is a deficient number, since it is larger than the sum of its proper divisors (1).

255307523 is an equidigital number, since it uses as much as digits as its factorization.

255307523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 255307523 is about 15978.3454400010. The cubic root of 255307523 is about 634.3873836242.

The spelling of 255307523 in words is "two hundred fifty-five million, three hundred seven thousand, five hundred twenty-three".