71353013 has 2 divisors, whose sum is σ = 71353014. Its totient is φ = 71353012.

The previous prime is 71353001. The next prime is 71353027. The reversal of 71353013 is 31035317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 11785489 = 7718^2 + 3433^2 .

It is an emirp because it is prime and its reverse (31035317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71353013 - 2¹⁰ = 71351989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71353013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71353043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35676506 + 35676507.

It is an arithmetic number, because the mean of its divisors is an integer number (35676507).

Almost surely, 2^71353013 is an apocalyptic number.

It is an amenable number.

71353013 is a deficient number, since it is larger than the sum of its proper divisors (1).

71353013 is an equidigital number, since it uses as much as digits as its factorization.

71353013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 71353013 is about 8447.0712676051. The cubic root of 71353013 is about 414.7669141589.

The spelling of 71353013 in words is "seventy-one million, three hundred fifty-three thousand, thirteen".