71300051 has 2 divisors, whose sum is σ = 71300052. Its totient is φ = 71300050.

The previous prime is 71300039. The next prime is 71300059. The reversal of 71300051 is 15000317.

It is a strong prime.

It is an emirp because it is prime and its reverse (15000317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71300051 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71300059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35650025 + 35650026.

It is an arithmetic number, because the mean of its divisors is an integer number (35650026).

Almost surely, 2^71300051 is an apocalyptic number.

71300051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71300051 is an equidigital number, since it uses as much as digits as its factorization.

71300051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 71300051 is about 8443.9357529531. The cubic root of 71300051 is about 414.6642680728.

Adding to 71300051 its reverse (15000317), we get a palindrome (86300368).

The spelling of 71300051 in words is "seventy-one million, three hundred thousand, fifty-one".