71052473 has 2 divisors, whose sum is σ = 71052474. Its totient is φ = 71052472.

The previous prime is 71052437. The next prime is 71052511. The reversal of 71052473 is 37425017.

Together with previous prime (71052437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50865424 + 20187049 = 7132^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 71052473 - 2⁶ = 71052409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71052073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35526236 + 35526237.

It is an arithmetic number, because the mean of its divisors is an integer number (35526237).

Almost surely, 2^71052473 is an apocalyptic number.

It is an amenable number.

71052473 is a deficient number, since it is larger than the sum of its proper divisors (1).

71052473 is an equidigital number, since it uses as much as digits as its factorization.

71052473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71052473 is about 8429.2628977865. The cubic root of 71052473 is about 414.1837597423.

The spelling of 71052473 in words is "seventy-one million, fifty-two thousand, four hundred seventy-three".