497812765 has 8 divisors (see below), whose sum is σ = 607168728. Its totient is φ = 391721280.

The previous prime is 497812741. The next prime is 497812771. The reversal of 497812765 is 567218794.

It can be written as a sum of positive squares in 4 ways, for example, as 69405561 + 428407204 = 8331^2 + 20698^2 .

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

It is not a de Polignac number, because 497812765 - 2²³ = 489424157 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 7 ways as a sum of consecutive naturals, for example, 815782 + ... + 816391.

It is an arithmetic number, because the mean of its divisors is an integer number (75896091).

Almost surely, 2^497812765 is an apocalyptic number.

It is an amenable number.

497812765 is a deficient number, since it is larger than the sum of its proper divisors (109355963).

497812765 is a wasteful number, since it uses less digits than its factorization.

497812765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632239.

The product of its digits is 846720, while the sum is 49.

The square root of 497812765 is about 22311.7181095495. The cubic root of 497812765 is about 792.5414945749.

The spelling of 497812765 in words is "four hundred ninety-seven million, eight hundred twelve thousand, seven hundred sixty-five".