497689 has 2 divisors, whose sum is σ = 497690. Its totient is φ = 497688.

The previous prime is 497677. The next prime is 497701. The reversal of 497689 is 986794.

It is a balanced prime because it is at equal distance from previous prime (497677) and next prime (497701).

It can be written as a sum of positive squares in only one way, i.e., 267289 + 230400 = 517^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 497689 - 2⁷ = 497561 is a prime.

It is not a weakly prime, because it can be changed into another prime (497659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248844 + 248845.

It is an arithmetic number, because the mean of its divisors is an integer number (248845).

2⁴⁹⁷⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

497689 is a deficient number, since it is larger than the sum of its proper divisors (1).

497689 is an equidigital number, since it uses as much as digits as its factorization.

497689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 497689 is about 705.4707648089. The cubic root of 497689 is about 79.2475809218.

The spelling of 497689 in words is "four hundred ninety-seven thousand, six hundred eighty-nine".