497975487 has 4 divisors (see below), whose sum is σ = 663967320. Its totient is φ = 331983656.

The previous prime is 497975479. The next prime is 497975497. The reversal of 497975487 is 784579794.

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 497975487 - 2³ = 497975479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497975487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497975417) 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 in 3 ways as a sum of consecutive naturals, for example, 82995912 + ... + 82995917.

It is an arithmetic number, because the mean of its divisors is an integer number (165991830).

Almost surely, 2^497975487 is an apocalyptic number.

497975487 is a deficient number, since it is larger than the sum of its proper divisors (165991833).

497975487 is a wasteful number, since it uses less digits than its factorization.

497975487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165991832.

The product of its digits is 17781120, while the sum is 60.

The square root of 497975487 is about 22315.3643707648. The cubic root of 497975487 is about 792.6278388775.

The spelling of 497975487 in words is "four hundred ninety-seven million, nine hundred seventy-five thousand, four hundred eighty-seven".