495538559 has 4 divisors (see below), whose sum is σ = 524687904. Its totient is φ = 466389216.

The previous prime is 495538553. The next prime is 495538567. The reversal of 495538559 is 955835594.

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 495538559 - 2²⁸ = 227103103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495538559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495538553) 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 3 ways as a sum of consecutive naturals, for example, 14574647 + ... + 14574680.

It is an arithmetic number, because the mean of its divisors is an integer number (131171976).

Almost surely, 2^495538559 is an apocalyptic number.

495538559 is a deficient number, since it is larger than the sum of its proper divisors (29149345).

495538559 is a wasteful number, since it uses less digits than its factorization.

495538559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29149344.

The product of its digits is 4860000, while the sum is 53.

The square root of 495538559 is about 22260.6953844663. The cubic root of 495538559 is about 791.3327708452.

The spelling of 495538559 in words is "four hundred ninety-five million, five hundred thirty-eight thousand, five hundred fifty-nine".