163513 has 12 divisors (see below), whose sum is σ = 196992. Its totient is φ = 135240.

The previous prime is 163487. The next prime is 163517. The reversal of 163513 is 315361.

It is not a de Polignac number, because 163513 - 2⁵ = 163481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (163517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2268 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹⁶³⁵¹³ is an apocalyptic number.

It is an amenable number.

163513 is a deficient number, since it is larger than the sum of its proper divisors (33479).

163513 is an equidigital number, since it uses as much as digits as its factorization.

163513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 125 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 163513 is about 404.3674071930. The cubic root of 163513 is about 54.6828022631.

Adding to 163513 its reverse (315361), we get a palindrome (478874).

It can be divided in two parts, 163 and 513, that added together give a palindrome (676).

The spelling of 163513 in words is "one hundred sixty-three thousand, five hundred thirteen".