505029697 has 2 divisors, whose sum is σ = 505029698. Its totient is φ = 505029696.

The previous prime is 505029643. The next prime is 505029713. The reversal of 505029697 is 796920505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312264241 + 192765456 = 17671^2 + 13884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505029697 is a prime.

It is not a weakly prime, because it can be changed into another prime (505024697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252514848 + 252514849.

It is an arithmetic number, because the mean of its divisors is an integer number (252514849).

Almost surely, 2^505029697 is an apocalyptic number.

It is an amenable number.

505029697 is a deficient number, since it is larger than the sum of its proper divisors (1).

505029697 is an equidigital number, since it uses as much as digits as its factorization.

505029697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 505029697 is about 22472.8657941082. The cubic root of 505029697 is about 796.3530336634.

The spelling of 505029697 in words is "five hundred five million, twenty-nine thousand, six hundred ninety-seven".