71315 has 8 divisors (see below), whose sum is σ = 90720. Its totient is φ = 53632.

The previous prime is 71293. The next prime is 71317. The reversal of 71315 is 51317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71315 - 2⁸ = 71059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 71293 and 71302.

It is not an unprimeable number, because it can be changed into a prime (71317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 504.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2⁷¹³¹⁵ is an apocalyptic number.

71315 is a deficient number, since it is larger than the sum of its proper divisors (19405).

71315 is a wasteful number, since it uses less digits than its factorization.

71315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its digits is 105, while the sum is 17.

The square root of 71315 is about 267.0486847000. The cubic root of 71315 is about 41.4693246000.

The spelling of 71315 in words is "seventy-one thousand, three hundred fifteen".