497813 has 2 divisors, whose sum is σ = 497814. Its totient is φ = 497812.

The previous prime is 497801. The next prime is 497831. The reversal of 497813 is 318794.

Together with next prime (497831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487204 + 10609 = 698^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 497813 - 2⁸ = 497557 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248906 + 248907.

It is an arithmetic number, because the mean of its divisors is an integer number (248907).

2⁴⁹⁷⁸¹³ is an apocalyptic number.

It is an amenable number.

497813 is a deficient number, since it is larger than the sum of its proper divisors (1).

497813 is an equidigital number, since it uses as much as digits as its factorization.

497813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 497813 is about 705.5586439128. The cubic root of 497813 is about 79.2541619285.

The spelling of 497813 in words is "four hundred ninety-seven thousand, eight hundred thirteen".