497831 has 2 divisors, whose sum is σ = 497832. Its totient is φ = 497830.

The previous prime is 497813. The next prime is 497839. The reversal of 497831 is 138794.

Together with previous prime (497813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497831 - 2¹⁴ = 481447 is a prime.

It is a super-2 number, since 2×497831² = 495671409122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497839) 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 as a sum of consecutive naturals, namely, 248915 + 248916.

It is an arithmetic number, because the mean of its divisors is an integer number (248916).

2⁴⁹⁷⁸³¹ is an apocalyptic number.

497831 is a deficient number, since it is larger than the sum of its proper divisors (1).

497831 is an equidigital number, since it uses as much as digits as its factorization.

497831 is an odious number, because the sum of its binary digits is odd.

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

The square root of 497831 is about 705.5713996471. The cubic root of 497831 is about 79.2551171451.

The spelling of 497831 in words is "four hundred ninety-seven thousand, eight hundred thirty-one".