505251255367 has 2 divisors, whose sum is σ = 505251255368. Its totient is φ = 505251255366.

The previous prime is 505251255359. The next prime is 505251255433. The reversal of 505251255367 is 763552152505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505251255367 - 2³ = 505251255359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505251255347) 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, 252625627683 + 252625627684.

It is an arithmetic number, because the mean of its divisors is an integer number (252625627684).

Almost surely, 2^505251255367 is an apocalyptic number.

505251255367 is a deficient number, since it is larger than the sum of its proper divisors (1).

505251255367 is an equidigital number, since it uses as much as digits as its factorization.

505251255367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575000, while the sum is 46.

The spelling of 505251255367 in words is "five hundred five billion, two hundred fifty-one million, two hundred fifty-five thousand, three hundred sixty-seven".