997483159 has 8 divisors (see below), whose sum is σ = 1076744160. Its totient is φ = 921213216.

The previous prime is 997483141. The next prime is 997483183. The reversal of 997483159 is 951384799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997483159 - 2⁷ = 997483031 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 (997483129) 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 7 ways as a sum of consecutive naturals, for example, 747072 + ... + 748405.

It is an arithmetic number, because the mean of its divisors is an integer number (134593020).

Almost surely, 2^997483159 is an apocalyptic number.

997483159 is a deficient number, since it is larger than the sum of its proper divisors (79261001).

997483159 is a wasteful number, since it uses less digits than its factorization.

997483159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495529.

The product of its digits is 2449440, while the sum is 55.

The square root of 997483159 is about 31582.9567805169. The cubic root of 997483159 is about 999.1603481821.

The spelling of 997483159 in words is "nine hundred ninety-seven million, four hundred eighty-three thousand, one hundred fifty-nine".