497729 has 2 divisors, whose sum is σ = 497730. Its totient is φ = 497728.

The previous prime is 497719. The next prime is 497737. The reversal of 497729 is 927794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 200704 = 545^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 497729 - 2⁸ = 497473 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 497692 and 497701.

It is not a weakly prime, because it can be changed into another prime (497719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248864 + 248865.

It is an arithmetic number, because the mean of its divisors is an integer number (248865).

2⁴⁹⁷⁷²⁹ is an apocalyptic number.

It is an amenable number.

497729 is a deficient number, since it is larger than the sum of its proper divisors (1).

497729 is an equidigital number, since it uses as much as digits as its factorization.

497729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 497729 is about 705.4991141029. The cubic root of 497729 is about 79.2497039466.

The spelling of 497729 in words is "four hundred ninety-seven thousand, seven hundred twenty-nine".