495997 has 4 divisors (see below), whose sum is σ = 501660. Its totient is φ = 490336.

The previous prime is 495983. The next prime is 496007. The reversal of 495997 is 799594.

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 52441 + 443556 = 229^2 + 666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495997 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (125415).

2⁴⁹⁵⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

495997 is a deficient number, since it is larger than the sum of its proper divisors (5663).

495997 is an equidigital number, since it uses as much as digits as its factorization.

495997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662.

The product of its digits is 102060, while the sum is 43.

The square root of 495997 is about 704.2705446063. The cubic root of 495997 is about 79.1576726009.

The spelling of 495997 in words is "four hundred ninety-five thousand, nine hundred ninety-seven".