65275571 has 2 divisors, whose sum is σ = 65275572. Its totient is φ = 65275570.

The previous prime is 65275547. The next prime is 65275577. The reversal of 65275571 is 17557256.

65275571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65275571 - 2¹⁸ = 65013427 is a prime.

It is not a weakly prime, because it can be changed into another prime (65275577) 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, 32637785 + 32637786.

It is an arithmetic number, because the mean of its divisors is an integer number (32637786).

Almost surely, 2^65275571 is an apocalyptic number.

65275571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65275571 is an equidigital number, since it uses as much as digits as its factorization.

65275571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 65275571 is about 8079.3298608239. The cubic root of 65275571 is about 402.6399775479.

The spelling of 65275571 in words is "sixty-five million, two hundred seventy-five thousand, five hundred seventy-one".