497618159 has 4 divisors (see below), whose sum is σ = 502268904. Its totient is φ = 492967416.

The previous prime is 497618141. The next prime is 497618161. The reversal of 497618159 is 951816794.

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 497618159 - 2²⁸ = 229182703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497618119) 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, 2325212 + ... + 2325425.

It is an arithmetic number, because the mean of its divisors is an integer number (125567226).

Almost surely, 2^497618159 is an apocalyptic number.

497618159 is a deficient number, since it is larger than the sum of its proper divisors (4650745).

497618159 is a wasteful number, since it uses less digits than its factorization.

497618159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650744.

The product of its digits is 544320, while the sum is 50.

The square root of 497618159 is about 22307.3566116651. The cubic root of 497618159 is about 792.4382071256.

The spelling of 497618159 in words is "four hundred ninety-seven million, six hundred eighteen thousand, one hundred fifty-nine".