255255503 has 2 divisors, whose sum is σ = 255255504. Its totient is φ = 255255502.

The previous prime is 255255479. The next prime is 255255521. The reversal of 255255503 is 305552552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255255503 - 2²² = 251061199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255255503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255255703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127627751 + 127627752.

It is an arithmetic number, because the mean of its divisors is an integer number (127627752).

Almost surely, 2^255255503 is an apocalyptic number.

255255503 is a deficient number, since it is larger than the sum of its proper divisors (1).

255255503 is an equidigital number, since it uses as much as digits as its factorization.

255255503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 255255503 is about 15976.7175289544. The cubic root of 255255503 is about 634.3442943165.

The spelling of 255255503 in words is "two hundred fifty-five million, two hundred fifty-five thousand, five hundred three".