497975158 has 4 divisors (see below), whose sum is σ = 746962740. Its totient is φ = 248987578.

The previous prime is 497975143. The next prime is 497975171. The reversal of 497975158 is 851579794.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 497975099 and 497975108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124493788 + ... + 124493791.

It is an arithmetic number, because the mean of its divisors is an integer number (186740685).

Almost surely, 2^497975158 is an apocalyptic number.

497975158 is a deficient number, since it is larger than the sum of its proper divisors (248987582).

497975158 is a wasteful number, since it uses less digits than its factorization.

497975158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248987581.

The product of its digits is 3175200, while the sum is 55.

The square root of 497975158 is about 22315.3569991609. The cubic root of 497975158 is about 792.6276643209.

The spelling of 497975158 in words is "four hundred ninety-seven million, nine hundred seventy-five thousand, one hundred fifty-eight".