497245818 has 16 divisors (see below), whose sum is σ = 1052991360. Its totient is φ = 155998656.

The previous prime is 497245811. The next prime is 497245823. The reversal of 497245818 is 818542794.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (497245811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437378 + ... + 2437581.

It is an arithmetic number, because the mean of its divisors is an integer number (65811960).

Almost surely, 2^497245818 is an apocalyptic number.

497245818 is an abundant number, since it is smaller than the sum of its proper divisors (555745542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497245818 is a wasteful number, since it uses less digits than its factorization.

497245818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874981.

The product of its digits is 645120, while the sum is 48.

The square root of 497245818 is about 22299.0093501931. The cubic root of 497245818 is about 792.2405114617.

The spelling of 497245818 in words is "four hundred ninety-seven million, two hundred forty-five thousand, eight hundred eighteen".