71053 has 4 divisors (see below), whose sum is σ = 72828. Its totient is φ = 69280.

The previous prime is 71039. The next prime is 71059. The reversal of 71053 is 35017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14884 + 56169 = 122^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 71053 - 2¹³ = 62861 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71059) 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, 826 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (18207).

2⁷¹⁰⁵³ is an apocalyptic number.

It is an amenable number.

71053 is a deficient number, since it is larger than the sum of its proper divisors (1775).

71053 is a wasteful number, since it uses less digits than its factorization.

71053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 71053 is about 266.5576860644. The cubic root of 71053 is about 41.4184783747.

The spelling of 71053 in words is "seventy-one thousand, fifty-three".