71353141 has 2 divisors, whose sum is σ = 71353142. Its totient is φ = 71353140.

The previous prime is 71353133. The next prime is 71353171. The reversal of 71353141 is 14135317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 18225 = 8446^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 71353141 - 2³ = 71353133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71353171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35676570 + 35676571.

It is an arithmetic number, because the mean of its divisors is an integer number (35676571).

Almost surely, 2^71353141 is an apocalyptic number.

It is an amenable number.

71353141 is a deficient number, since it is larger than the sum of its proper divisors (1).

71353141 is an equidigital number, since it uses as much as digits as its factorization.

71353141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 71353141 is about 8447.0788441922. The cubic root of 71353141 is about 414.7671621752.

Adding to 71353141 its reverse (14135317), we get a palindrome (85488458).

The spelling of 71353141 in words is "seventy-one million, three hundred fifty-three thousand, one hundred forty-one".