505729795 has 4 divisors (see below), whose sum is σ = 606875760. Its totient is φ = 404583832.

The previous prime is 505729759. The next prime is 505729817. The reversal of 505729795 is 597927505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505729795 - 2¹³ = 505721603 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 50572975 + ... + 50572984.

It is an arithmetic number, because the mean of its divisors is an integer number (151718940).

Almost surely, 2^505729795 is an apocalyptic number.

505729795 is a deficient number, since it is larger than the sum of its proper divisors (101145965).

505729795 is a wasteful number, since it uses less digits than its factorization.

505729795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101145964.

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 505729795 is about 22488.4369176695. The cubic root of 505729795 is about 796.7208455263.

The spelling of 505729795 in words is "five hundred five million, seven hundred twenty-nine thousand, seven hundred ninety-five".