71137063 has 2 divisors, whose sum is σ = 71137064. Its totient is φ = 71137062.

The previous prime is 71137057. The next prime is 71137097. The reversal of 71137063 is 36073117.

It is a weak prime.

It is an emirp because it is prime and its reverse (36073117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71137063 - 2²¹ = 69039911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71137013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568531 + 35568532.

It is an arithmetic number, because the mean of its divisors is an integer number (35568532).

Almost surely, 2^71137063 is an apocalyptic number.

71137063 is a deficient number, since it is larger than the sum of its proper divisors (1).

71137063 is an equidigital number, since it uses as much as digits as its factorization.

71137063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 71137063 is about 8434.2790444708. The cubic root of 71137063 is about 414.3480604262.

The spelling of 71137063 in words is "seventy-one million, one hundred thirty-seven thousand, sixty-three".