101613 has 4 divisors (see below), whose sum is σ = 135488. Its totient is φ = 67740.

The previous prime is 101611. The next prime is 101627. The reversal of 101613 is 316101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 316101 = 3 ⋅105367.

It is not a de Polignac number, because 101613 - 2¹ = 101611 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101611) 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, 16933 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (33872).

2¹⁰¹⁶¹³ is an apocalyptic number.

It is an amenable number.

101613 is a deficient number, since it is larger than the sum of its proper divisors (33875).

101613 is an equidigital number, since it uses as much as digits as its factorization.

101613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33874.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 101613 is about 318.7679406716. The cubic root of 101613 is about 46.6641211763.

Adding to 101613 its reverse (316101), we get a palindrome (417714).

The spelling of 101613 in words is "one hundred one thousand, six hundred thirteen".