505251255359 has 2 divisors, whose sum is σ = 505251255360. Its totient is φ = 505251255358.

The previous prime is 505251255347. The next prime is 505251255367. The reversal of 505251255359 is 953552152505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505251255359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505251255559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252625627679 + 252625627680.

It is an arithmetic number, because the mean of its divisors is an integer number (252625627680).

Almost surely, 2^505251255359 is an apocalyptic number.

505251255359 is a deficient number, since it is larger than the sum of its proper divisors (1).

505251255359 is an equidigital number, since it uses as much as digits as its factorization.

505251255359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1687500, while the sum is 47.

The spelling of 505251255359 in words is "five hundred five billion, two hundred fifty-one million, two hundred fifty-five thousand, three hundred fifty-nine".