159513 has 4 divisors (see below), whose sum is σ = 212688. Its totient is φ = 106340.

The previous prime is 159503. The next prime is 159521. The reversal of 159513 is 315951.

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 159513 - 2¹⁰ = 158489 is a prime.

It is a D-number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (159503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26583 + ... + 26588.

It is an arithmetic number, because the mean of its divisors is an integer number (53172).

2¹⁵⁹⁵¹³ is an apocalyptic number.

It is an amenable number.

159513 is a deficient number, since it is larger than the sum of its proper divisors (53175).

159513 is an equidigital number, since it uses as much as digits as its factorization.

159513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174.

The product of its digits is 675, while the sum is 24.

The square root of 159513 is about 399.3907860730. The cubic root of 159513 is about 54.2332162964.

The spelling of 159513 in words is "one hundred fifty-nine thousand, five hundred thirteen".