159620543 has 2 divisors, whose sum is σ = 159620544. Its totient is φ = 159620542.

The previous prime is 159620533. The next prime is 159620563. The reversal of 159620543 is 345026951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159620543 - 2⁸ = 159620287 is a prime.

It is a super-2 number, since 2×159620543² = 50957435495229698, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159620533) 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 as a sum of consecutive naturals, namely, 79810271 + 79810272.

It is an arithmetic number, because the mean of its divisors is an integer number (79810272).

Almost surely, 2^159620543 is an apocalyptic number.

159620543 is a deficient number, since it is larger than the sum of its proper divisors (1).

159620543 is an equidigital number, since it uses as much as digits as its factorization.

159620543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 159620543 is about 12634.1023820452. The cubic root of 159620543 is about 542.4540149459.

The spelling of 159620543 in words is "one hundred fifty-nine million, six hundred twenty thousand, five hundred forty-three".