495493 has 4 divisors (see below), whose sum is σ = 496908. Its totient is φ = 494080.

The previous prime is 495491. The next prime is 495511. The reversal of 495493 is 394594.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394594 = 2 ⋅197297.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 263169 = 482^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 495493 - 2¹ = 495491 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495491) 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, 255 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (124227).

2⁴⁹⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

495493 is a deficient number, since it is larger than the sum of its proper divisors (1415).

495493 is an equidigital number, since it uses as much as digits as its factorization.

495493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 19440, while the sum is 34.

The square root of 495493 is about 703.9126366247. The cubic root of 495493 is about 79.1308518824.

The spelling of 495493 in words is "four hundred ninety-five thousand, four hundred ninety-three".