497745 has 20 divisors (see below), whose sum is σ = 892980. Its totient is φ = 265248.

The previous prime is 497741. The next prime is 497771. The reversal of 497745 is 547794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 123201 = 612^2 + 351^2 .

It is not a de Polignac number, because 497745 - 2² = 497741 is a prime.

It is an Ulam number.

497745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (497741) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 210 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (44649).

2⁴⁹⁷⁷⁴⁵ is an apocalyptic number.

497745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

497745 is a deficient number, since it is larger than the sum of its proper divisors (395235).

497745 is a wasteful number, since it uses less digits than its factorization.

497745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1237 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 497745 is about 705.5104535016. The cubic root of 497745 is about 79.2505531247.

The spelling of 497745 in words is "four hundred ninety-seven thousand, seven hundred forty-five".