65235971 has 2 divisors, whose sum is σ = 65235972. Its totient is φ = 65235970.

The previous prime is 65235967. The next prime is 65235979. The reversal of 65235971 is 17953256.

It is a happy number.

65235971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65235971 - 2² = 65235967 is a prime.

It is not a weakly prime, because it can be changed into another prime (65235979) 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, 32617985 + 32617986.

It is an arithmetic number, because the mean of its divisors is an integer number (32617986).

Almost surely, 2^65235971 is an apocalyptic number.

65235971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65235971 is an equidigital number, since it uses as much as digits as its factorization.

65235971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 65235971 is about 8076.8787907211. The cubic root of 65235971 is about 402.5585393812.

The spelling of 65235971 in words is "sixty-five million, two hundred thirty-five thousand, nine hundred seventy-one".