71304241 has 2 divisors, whose sum is σ = 71304242. Its totient is φ = 71304240.

The previous prime is 71304227. The next prime is 71304257. The reversal of 71304241 is 14240317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68823616 + 2480625 = 8296^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 71304241 - 2¹⁹ = 70779953 is a prime.

It is not a weakly prime, because it can be changed into another prime (71304271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35652120 + 35652121.

It is an arithmetic number, because the mean of its divisors is an integer number (35652121).

Almost surely, 2^71304241 is an apocalyptic number.

It is an amenable number.

71304241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71304241 is an equidigital number, since it uses as much as digits as its factorization.

71304241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 71304241 is about 8444.1838563594. The cubic root of 71304241 is about 414.6723905974.

Adding to 71304241 its reverse (14240317), we get a palindrome (85544558).

The spelling of 71304241 in words is "seventy-one million, three hundred four thousand, two hundred forty-one".