497316187 has 4 divisors (see below), whose sum is σ = 502443256. Its totient is φ = 492189120.

The previous prime is 497316173. The next prime is 497316221. The reversal of 497316187 is 781613794.

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

It is a cyclic number.

It is not a de Polignac number, because 497316187 - 2²⁷ = 363098459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497316137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563389 + ... + 2563582.

It is an arithmetic number, because the mean of its divisors is an integer number (125610814).

Almost surely, 2^497316187 is an apocalyptic number.

497316187 is a deficient number, since it is larger than the sum of its proper divisors (5127069).

497316187 is an equidigital number, since it uses as much as digits as its factorization.

497316187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127068.

The product of its digits is 254016, while the sum is 46.

The square root of 497316187 is about 22300.5871447368. The cubic root of 497316187 is about 792.2778816724.

It can be divided in two parts, 497316 and 187, that added together give a triangular number (497503 = T₉₉₇).

The spelling of 497316187 in words is "four hundred ninety-seven million, three hundred sixteen thousand, one hundred eighty-seven".