159460997 has 2 divisors, whose sum is σ = 159460998. Its totient is φ = 159460996.

The previous prime is 159460991. The next prime is 159460999. The reversal of 159460997 is 799064951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139381636 + 20079361 = 11806^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 159460997 - 2²⁰ = 158412421 is a prime.

Together with 159460999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159460991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79730498 + 79730499.

It is an arithmetic number, because the mean of its divisors is an integer number (79730499).

Almost surely, 2^159460997 is an apocalyptic number.

It is an amenable number.

159460997 is a deficient number, since it is larger than the sum of its proper divisors (1).

159460997 is an equidigital number, since it uses as much as digits as its factorization.

159460997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 159460997 is about 12627.7867023481. The cubic root of 159460997 is about 542.2732211333.

The spelling of 159460997 in words is "one hundred fifty-nine million, four hundred sixty thousand, nine hundred ninety-seven".