495397805 has 16 divisors (see below), whose sum is σ = 708943104. Its totient is φ = 324931200.

The previous prime is 495397801. The next prime is 495397817. The reversal of 495397805 is 508793594.

It is not a de Polignac number, because 495397805 - 2² = 495397801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495397801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306896 + ... + 308505.

It is an arithmetic number, because the mean of its divisors is an integer number (44308944).

Almost surely, 2^495397805 is an apocalyptic number.

It is an amenable number.

495397805 is a deficient number, since it is larger than the sum of its proper divisors (213545299).

495397805 is a wasteful number, since it uses less digits than its factorization.

495397805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615436.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 495397805 is about 22257.5336684009. The cubic root of 495397805 is about 791.2578397100.

The spelling of 495397805 in words is "four hundred ninety-five million, three hundred ninety-seven thousand, eight hundred five".