505055371 has 2 divisors, whose sum is σ = 505055372. Its totient is φ = 505055370.

The previous prime is 505055333. The next prime is 505055381. The reversal of 505055371 is 173550505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505055371 is a prime.

It is not a weakly prime, because it can be changed into another prime (505055381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527685 + 252527686.

It is an arithmetic number, because the mean of its divisors is an integer number (252527686).

Almost surely, 2^505055371 is an apocalyptic number.

505055371 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055371 is an equidigital number, since it uses as much as digits as its factorization.

505055371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 505055371 is about 22473.4370090558. The cubic root of 505055371 is about 796.3665280654.

The spelling of 505055371 in words is "five hundred five million, fifty-five thousand, three hundred seventy-one".