497445 has 16 divisors (see below), whose sum is σ = 857472. Its totient is φ = 244800.

The previous prime is 497423. The next prime is 497449. The reversal of 497445 is 544794.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-497445 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 497445.

It is not an unprimeable number, because it can be changed into a prime (497449) 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 in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (53592).

2⁴⁹⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

497445 is a deficient number, since it is larger than the sum of its proper divisors (360027).

497445 is a wasteful number, since it uses less digits than its factorization.

497445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 20160, while the sum is 33.

The square root of 497445 is about 705.2978094394. The cubic root of 497445 is about 79.2346280063.

The spelling of 497445 in words is "four hundred ninety-seven thousand, four hundred forty-five".