159252913 has 4 divisors (see below), whose sum is σ = 159323508. Its totient is φ = 159182320.

The previous prime is 159252887. The next prime is 159252941. The reversal of 159252913 is 319252951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 139074849 = 4492^2 + 11793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159252913 is a prime.

It is a super-2 number, since 2×159252913² = 50722980597971138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159252953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31798 + ... + 36463.

It is an arithmetic number, because the mean of its divisors is an integer number (39830877).

Almost surely, 2^159252913 is an apocalyptic number.

It is an amenable number.

159252913 is a deficient number, since it is larger than the sum of its proper divisors (70595).

159252913 is an equidigital number, since it uses as much as digits as its factorization.

159252913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70594.

The product of its digits is 24300, while the sum is 37.

The square root of 159252913 is about 12619.5448808584. The cubic root of 159252913 is about 542.0372438925.

The spelling of 159252913 in words is "one hundred fifty-nine million, two hundred fifty-two thousand, nine hundred thirteen".