71610241 has 2 divisors, whose sum is σ = 71610242. Its totient is φ = 71610240.

The previous prime is 71610199. The next prime is 71610257. The reversal of 71610241 is 14201617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69639025 + 1971216 = 8345^2 + 1404^2 .

It is an emirp because it is prime and its reverse (14201617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71610241 - 2⁷ = 71610113 is a prime.

It is not a weakly prime, because it can be changed into another prime (71610271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35805120 + 35805121.

It is an arithmetic number, because the mean of its divisors is an integer number (35805121).

Almost surely, 2^71610241 is an apocalyptic number.

It is an amenable number.

71610241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71610241 is an equidigital number, since it uses as much as digits as its factorization.

71610241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 71610241 is about 8462.2834388834. The cubic root of 71610241 is about 415.2647287564.

Adding to 71610241 its reverse (14201617), we get a palindrome (85811858).

The spelling of 71610241 in words is "seventy-one million, six hundred ten thousand, two hundred forty-one".