71004851 has 2 divisors, whose sum is σ = 71004852. Its totient is φ = 71004850.

The previous prime is 71004839. The next prime is 71004859. The reversal of 71004851 is 15840017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71004851 - 2¹⁰ = 71003827 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71004851.

It is not a weakly prime, because it can be changed into another prime (71004859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35502425 + 35502426.

It is an arithmetic number, because the mean of its divisors is an integer number (35502426).

Almost surely, 2^71004851 is an apocalyptic number.

71004851 is a deficient number, since it is larger than the sum of its proper divisors (1).

71004851 is an equidigital number, since it uses as much as digits as its factorization.

71004851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 71004851 is about 8426.4376221509. The cubic root of 71004851 is about 414.0912052941.

Adding to 71004851 its reverse (15840017), we get a palindrome (86844868).

The spelling of 71004851 in words is "seventy-one million, four thousand, eight hundred fifty-one".