497173009 has 8 divisors (see below), whose sum is σ = 525147392. Its totient is φ = 469944720.

The previous prime is 497172971. The next prime is 497173021. The reversal of 497173009 is 900371794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497173009 - 2¹⁹ = 496648721 is a prime.

It is a super-2 number, since 2×497173009² = 494362001756228162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497183009) 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 7 ways as a sum of consecutive naturals, for example, 185154 + ... + 187819.

It is an arithmetic number, because the mean of its divisors is an integer number (65643424).

Almost surely, 2^497173009 is an apocalyptic number.

It is an amenable number.

497173009 is a deficient number, since it is larger than the sum of its proper divisors (27974383).

497173009 is a wasteful number, since it uses less digits than its factorization.

497173009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373047.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 497173009 is about 22297.3767291132. The cubic root of 497173009 is about 792.2018417515.

The spelling of 497173009 in words is "four hundred ninety-seven million, one hundred seventy-three thousand, nine".