497664005 has 4 divisors (see below), whose sum is σ = 597196812. Its totient is φ = 398131200.

The previous prime is 497663993. The next prime is 497664019. The reversal of 497664005 is 500466794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500466794 = 2 ⋅250233397.

It can be written as a sum of positive squares in 2 ways, for example, as 132319009 + 365344996 = 11503^2 + 19114^2 .

It is a de Polignac number, because none of the positive numbers 2^k-497664005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49766396 + ... + 49766405.

It is an arithmetic number, because the mean of its divisors is an integer number (149299203).

Almost surely, 2^497664005 is an apocalyptic number.

It is an amenable number.

497664005 is a deficient number, since it is larger than the sum of its proper divisors (99532807).

497664005 is an equidigital number, since it uses as much as digits as its factorization.

497664005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99532806.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 497664005 is about 22308.3841862202. The cubic root of 497664005 is about 792.4625423887.

The spelling of 497664005 in words is "four hundred ninety-seven million, six hundred sixty-four thousand, five".