71152339 has 2 divisors, whose sum is σ = 71152340. Its totient is φ = 71152338.

The previous prime is 71152309. The next prime is 71152349. The reversal of 71152339 is 93325117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71152339 - 2⁵ = 71152307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71152339.

It is not a weakly prime, because it can be changed into another prime (71152309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35576169 + 35576170.

It is an arithmetic number, because the mean of its divisors is an integer number (35576170).

Almost surely, 2^71152339 is an apocalyptic number.

71152339 is a deficient number, since it is larger than the sum of its proper divisors (1).

71152339 is an equidigital number, since it uses as much as digits as its factorization.

71152339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 71152339 is about 8435.1845860064. The cubic root of 71152339 is about 414.3777173902.

The spelling of 71152339 in words is "seventy-one million, one hundred fifty-two thousand, three hundred thirty-nine".