65875571 has 2 divisors, whose sum is σ = 65875572. Its totient is φ = 65875570.

The previous prime is 65875541. The next prime is 65875573. The reversal of 65875571 is 17557856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65875571 - 2⁶ = 65875507 is a prime.

Together with 65875573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65875573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32937785 + 32937786.

It is an arithmetic number, because the mean of its divisors is an integer number (32937786).

Almost surely, 2^65875571 is an apocalyptic number.

65875571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65875571 is an equidigital number, since it uses as much as digits as its factorization.

65875571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294000, while the sum is 44.

The square root of 65875571 is about 8116.3767162448. The cubic root of 65875571 is about 403.8698789360.

The spelling of 65875571 in words is "sixty-five million, eight hundred seventy-five thousand, five hundred seventy-one".