65925571 has 2 divisors, whose sum is σ = 65925572. Its totient is φ = 65925570.

The previous prime is 65925569. The next prime is 65925599. The reversal of 65925571 is 17552956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65925571 - 2¹ = 65925569 is a prime.

Together with 65925569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65925511) 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, 32962785 + 32962786.

It is an arithmetic number, because the mean of its divisors is an integer number (32962786).

Almost surely, 2^65925571 is an apocalyptic number.

65925571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65925571 is an equidigital number, since it uses as much as digits as its factorization.

65925571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 40.

The square root of 65925571 is about 8119.4563241636. The cubic root of 65925571 is about 403.9720330769.

The spelling of 65925571 in words is "sixty-five million, nine hundred twenty-five thousand, five hundred seventy-one".