255504503 has 2 divisors, whose sum is σ = 255504504. Its totient is φ = 255504502.

The previous prime is 255504463. The next prime is 255504521. The reversal of 255504503 is 305405552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255504503 - 2⁶ = 255504439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255504553) 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, 127752251 + 127752252.

It is an arithmetic number, because the mean of its divisors is an integer number (127752252).

Almost surely, 2^255504503 is an apocalyptic number.

255504503 is a deficient number, since it is larger than the sum of its proper divisors (1).

255504503 is an equidigital number, since it uses as much as digits as its factorization.

255504503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 255504503 is about 15984.5082188974. The cubic root of 255504503 is about 634.5504934581.

The spelling of 255504503 in words is "two hundred fifty-five million, five hundred four thousand, five hundred three".