71241 has 4 divisors (see below), whose sum is σ = 94992. Its totient is φ = 47492.

The previous prime is 71237. The next prime is 71249. The reversal of 71241 is 14217.

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 71241 - 2² = 71237 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 71241.

It is not an unprimeable number, because it can be changed into a prime (71249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11871 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (23748).

2⁷¹²⁴¹ is an apocalyptic number.

It is an amenable number.

71241 is a deficient number, since it is larger than the sum of its proper divisors (23751).

71241 is a wasteful number, since it uses less digits than its factorization.

71241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23750.

The product of its digits is 56, while the sum is 15.

The square root of 71241 is about 266.9100972238. The cubic root of 71241 is about 41.4549760896.

Adding to 71241 its reverse (14217), we get a palindrome (85458).

It can be divided in two parts, 712 and 41, that multiplied together give a palindrome (29192).

The spelling of 71241 in words is "seventy-one thousand, two hundred forty-one", and thus it is an iban number.