497213648 has 10 divisors (see below), whose sum is σ = 963351474. Its totient is φ = 248606816.

The previous prime is 497213621. The next prime is 497213663. The reversal of 497213648 is 846312794.

It can be written as a sum of positive squares in only one way, i.e., 323712064 + 173501584 = 17992^2 + 13172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 497213599 and 497213608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15537911 + ... + 15537942.

Almost surely, 2^497213648 is an apocalyptic number.

It is an amenable number.

497213648 is a deficient number, since it is larger than the sum of its proper divisors (466137826).

497213648 is a wasteful number, since it uses less digits than its factorization.

497213648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31075861 (or 31075855 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 497213648 is about 22298.2880060331. The cubic root of 497213648 is about 792.2234260645.

The spelling of 497213648 in words is "four hundred ninety-seven million, two hundred thirteen thousand, six hundred forty-eight".