159952393 has 4 divisors (see below), whose sum is σ = 168370960. Its totient is φ = 151533828.

The previous prime is 159952381. The next prime is 159952399. The reversal of 159952393 is 393259951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159952393 - 2⁵ = 159952361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159952399) 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 in 3 ways as a sum of consecutive naturals, for example, 4209255 + ... + 4209292.

It is an arithmetic number, because the mean of its divisors is an integer number (42092740).

Almost surely, 2^159952393 is an apocalyptic number.

It is an amenable number.

159952393 is a deficient number, since it is larger than the sum of its proper divisors (8418567).

159952393 is an equidigital number, since it uses as much as digits as its factorization.

159952393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418566.

The product of its digits is 328050, while the sum is 46.

The square root of 159952393 is about 12647.2286687638. The cubic root of 159952393 is about 542.8296741113.

The spelling of 159952393 in words is "one hundred fifty-nine million, nine hundred fifty-two thousand, three hundred ninety-three".