497073409 has 4 divisors (see below), whose sum is σ = 568083904. Its totient is φ = 426062916.

The previous prime is 497073403. The next prime is 497073431. The reversal of 497073409 is 904370794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 497073409 - 2²⁷ = 362855681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497073403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35505237 + ... + 35505250.

It is an arithmetic number, because the mean of its divisors is an integer number (142020976).

Almost surely, 2^497073409 is an apocalyptic number.

It is an amenable number.

497073409 is a deficient number, since it is larger than the sum of its proper divisors (71010495).

497073409 is an equidigital number, since it uses as much as digits as its factorization.

497073409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71010494.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 497073409 is about 22295.1431706549. The cubic root of 497073409 is about 792.1489369132.

The spelling of 497073409 in words is "four hundred ninety-seven million, seventy-three thousand, four hundred nine".