71293 has 2 divisors, whose sum is σ = 71294. Its totient is φ = 71292.

The previous prime is 71287. The next prime is 71317. The reversal of 71293 is 39217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 4 = 267^2 + 2^2 .

It is an emirp because it is prime and its reverse (39217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71293 - 2⁵ = 71261 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35646 + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (35647).

2⁷¹²⁹³ is an apocalyptic number.

It is an amenable number.

71293 is a deficient number, since it is larger than the sum of its proper divisors (1).

71293 is an equidigital number, since it uses as much as digits as its factorization.

71293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 22.

The square root of 71293 is about 267.0074905316. The cubic root of 71293 is about 41.4650598638.

The spelling of 71293 in words is "seventy-one thousand, two hundred ninety-three".