71113 has 4 divisors (see below), whose sum is σ = 81280. Its totient is φ = 60948.

The previous prime is 71089. The next prime is 71119. The reversal of 71113 is 31117.

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 71113 - 2⁵ = 71081 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71093 and 71102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71119) 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, 5073 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (20320).

2⁷¹¹¹³ is an apocalyptic number.

It is an amenable number.

71113 is a deficient number, since it is larger than the sum of its proper divisors (10167).

71113 is a wasteful number, since it uses less digits than its factorization.

71113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166.

The product of its digits is 21, while the sum is 13.

The square root of 71113 is about 266.6702083098. The cubic root of 71113 is about 41.4301335689.

The spelling of 71113 in words is "seventy-one thousand, one hundred thirteen".