255430711 has 2 divisors, whose sum is σ = 255430712. Its totient is φ = 255430710.

The previous prime is 255430687. The next prime is 255430739. The reversal of 255430711 is 117034552.

It is a happy number.

It is an a-pointer prime, because the next prime (255430739) can be obtained adding 255430711 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255430711 - 2⁷ = 255430583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255430711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255430741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127715355 + 127715356.

It is an arithmetic number, because the mean of its divisors is an integer number (127715356).

Almost surely, 2^255430711 is an apocalyptic number.

255430711 is a deficient number, since it is larger than the sum of its proper divisors (1).

255430711 is an equidigital number, since it uses as much as digits as its factorization.

255430711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 255430711 is about 15982.1998172967. The cubic root of 255430711 is about 634.4893996117.

The spelling of 255430711 in words is "two hundred fifty-five million, four hundred thirty thousand, seven hundred eleven".