495513311 has 4 divisors (see below), whose sum is σ = 517057392. Its totient is φ = 473969232.

The previous prime is 495513299. The next prime is 495513323. The reversal of 495513311 is 113315594.

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

It is an interprime number because it is at equal distance from previous prime (495513299) and next prime (495513323).

It is a cyclic number.

It is not a de Polignac number, because 495513311 - 2¹⁰ = 495512287 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 (495513371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10772006 + ... + 10772051.

It is an arithmetic number, because the mean of its divisors is an integer number (129264348).

Almost surely, 2^495513311 is an apocalyptic number.

495513311 is a deficient number, since it is larger than the sum of its proper divisors (21544081).

495513311 is a wasteful number, since it uses less digits than its factorization.

495513311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544080.

The product of its digits is 8100, while the sum is 32.

The square root of 495513311 is about 22260.1282790554. The cubic root of 495513311 is about 791.3193309835.

The spelling of 495513311 in words is "four hundred ninety-five million, five hundred thirteen thousand, three hundred eleven".