495013 has 4 divisors (see below), whose sum is σ = 501868. Its totient is φ = 488160.

The previous prime is 494987. The next prime is 495017. The reversal of 495013 is 310594.

495013 = 497² + 498².

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 248004 + 247009 = 498^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 495013 - 2¹³ = 486821 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 (495017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3318 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (125467).

2⁴⁹⁵⁰¹³ is an apocalyptic number.

495013 is the 498-th centered square number.

It is an amenable number.

495013 is a deficient number, since it is larger than the sum of its proper divisors (6855).

495013 is an equidigital number, since it uses as much as digits as its factorization.

495013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 495013 is about 703.5716026106. The cubic root of 495013 is about 79.1052914268.

The spelling of 495013 in words is "four hundred ninety-five thousand, thirteen".