497651318 has 4 divisors (see below), whose sum is σ = 746476980. Its totient is φ = 248825658.

The previous prime is 497651311. The next prime is 497651321. The reversal of 497651318 is 813156794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497651311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124412828 + ... + 124412831.

It is an arithmetic number, because the mean of its divisors is an integer number (186619245).

Almost surely, 2^497651318 is an apocalyptic number.

497651318 is a deficient number, since it is larger than the sum of its proper divisors (248825662).

497651318 is a wasteful number, since it uses less digits than its factorization.

497651318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248825661.

The product of its digits is 181440, while the sum is 44.

The square root of 497651318 is about 22308.0998294342. The cubic root of 497651318 is about 792.4558082215.

The spelling of 497651318 in words is "four hundred ninety-seven million, six hundred fifty-one thousand, three hundred eighteen".