497395765 has 4 divisors (see below), whose sum is σ = 596874924. Its totient is φ = 397916608.

The previous prime is 497395751. The next prime is 497395781. The reversal of 497395765 is 567593794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212663889 + 284731876 = 14583^2 + 16874^2 .

It is a cyclic number.

It is not a de Polignac number, because 497395765 - 2⁷ = 497395637 is a prime.

It is a Duffinian 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, 49739572 + ... + 49739581.

It is an arithmetic number, because the mean of its divisors is an integer number (149218731).

Almost surely, 2^497395765 is an apocalyptic number.

It is an amenable number.

497395765 is a deficient number, since it is larger than the sum of its proper divisors (99479159).

497395765 is an equidigital number, since it uses as much as digits as its factorization.

497395765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99479158.

The product of its digits is 7144200, while the sum is 55.

The square root of 497395765 is about 22302.3712864798. The cubic root of 497395765 is about 792.3201381739.

The spelling of 497395765 in words is "four hundred ninety-seven million, three hundred ninety-five thousand, seven hundred sixty-five".