495813 has 16 divisors (see below), whose sum is σ = 705600. Its totient is φ = 309120.

The previous prime is 495799. The next prime is 495821. The reversal of 495813 is 318594.

It is not a de Polignac number, because 495813 - 2⁴ = 495797 is a prime.

495813 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495813.

It is not an unprimeable number, because it can be changed into a prime (495893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3498 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁴⁹⁵⁸¹³ is an apocalyptic number.

It is an amenable number.

495813 is a deficient number, since it is larger than the sum of its proper divisors (209787).

495813 is a wasteful number, since it uses less digits than its factorization.

495813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its digits is 4320, while the sum is 30.

The square root of 495813 is about 704.1399008720. The cubic root of 495813 is about 79.1478830167.

The spelling of 495813 in words is "four hundred ninety-five thousand, eight hundred thirteen".