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BaseRepresentation
bin10001011001011111
310121202101
4101121133
54240023
61305531
7414523
oct213137
9117671
1071263
11495a5
12352a7
132658a
141bd83
hex1165f

71263 has 2 divisors, whose sum is σ = 71264. Its totient is φ = 71262.

The previous prime is 71261. The next prime is 71287. The reversal of 71263 is 36217.

It is a weak prime.

It is an emirp because it is prime and its reverse (36217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71263 - 21 = 71261 is a prime.

Together with 71261, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35631 + 35632.

It is an arithmetic number, because the mean of its divisors is an integer number (35632).

271263 is an apocalyptic number.

71263 is a deficient number, since it is larger than the sum of its proper divisors (1).

71263 is an equidigital number, since it uses as much as digits as its factorization.

71263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 71263 is about 266.9513064212. The cubic root of 71263 is about 41.4592429004.

The spelling of 71263 in words is "seventy-one thousand, two hundred sixty-three".