505406322527 has 2 divisors, whose sum is σ = 505406322528. Its totient is φ = 505406322526.

The previous prime is 505406322521. The next prime is 505406322541. The reversal of 505406322527 is 725223604505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505406322527 - 2⁴ = 505406322511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505406322521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252703161263 + 252703161264.

It is an arithmetic number, because the mean of its divisors is an integer number (252703161264).

Almost surely, 2^505406322527 is an apocalyptic number.

505406322527 is a deficient number, since it is larger than the sum of its proper divisors (1).

505406322527 is an equidigital number, since it uses as much as digits as its factorization.

505406322527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 505406322527 in words is "five hundred five billion, four hundred six million, three hundred twenty-two thousand, five hundred twenty-seven".