497810485 has 4 divisors (see below), whose sum is σ = 597372588. Its totient is φ = 398248384.

The previous prime is 497810477. The next prime is 497810501. The reversal of 497810485 is 584018794.

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 68574961 + 429235524 = 8281^2 + 20718^2 .

It is a cyclic number.

It is not a de Polignac number, because 497810485 - 2³ = 497810477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49781044 + ... + 49781053.

It is an arithmetic number, because the mean of its divisors is an integer number (149343147).

Almost surely, 2^497810485 is an apocalyptic number.

It is an amenable number.

497810485 is a deficient number, since it is larger than the sum of its proper divisors (99562103).

497810485 is an equidigital number, since it uses as much as digits as its factorization.

497810485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99562102.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 497810485 is about 22311.6670152636. The cubic root of 497810485 is about 792.5402846171.

The spelling of 497810485 in words is "four hundred ninety-seven million, eight hundred ten thousand, four hundred eighty-five".