71411143 has 2 divisors, whose sum is σ = 71411144. Its totient is φ = 71411142.

The previous prime is 71411129. The next prime is 71411191. The reversal of 71411143 is 34111417.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34111417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71411143 - 2⁹ = 71410631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71421143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35705571 + 35705572.

It is an arithmetic number, because the mean of its divisors is an integer number (35705572).

Almost surely, 2^71411143 is an apocalyptic number.

71411143 is a deficient number, since it is larger than the sum of its proper divisors (1).

71411143 is an equidigital number, since it uses as much as digits as its factorization.

71411143 is an evil number, because the sum of its binary digits is even.

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

The square root of 71411143 is about 8450.5114046429. The cubic root of 71411143 is about 414.8795179357.

The spelling of 71411143 in words is "seventy-one million, four hundred eleven thousand, one hundred forty-three".