495806305 has 4 divisors (see below), whose sum is σ = 594967572. Its totient is φ = 396645040.

The previous prime is 495806303. The next prime is 495806321. The reversal of 495806305 is 503608594.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54302161 + 441504144 = 7369^2 + 21012^2 .

It is not a de Polignac number, because 495806305 - 2¹ = 495806303 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495806303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49580626 + ... + 49580635.

It is an arithmetic number, because the mean of its divisors is an integer number (148741893).

Almost surely, 2^495806305 is an apocalyptic number.

It is an amenable number.

495806305 is a deficient number, since it is larger than the sum of its proper divisors (99161267).

495806305 is an equidigital number, since it uses as much as digits as its factorization.

495806305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99161266.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 495806305 is about 22266.7084455696. The cubic root of 495806305 is about 791.4752676848.

The spelling of 495806305 in words is "four hundred ninety-five million, eight hundred six thousand, three hundred five".