65345953 has 2 divisors, whose sum is σ = 65345954. Its totient is φ = 65345952.

The previous prime is 65345947. The next prime is 65345957. The reversal of 65345953 is 35954356.

It is a happy number.

65345953 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 can be written as a sum of positive squares in only one way, i.e., 54508689 + 10837264 = 7383^2 + 3292^2 .

65345953 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65345953 is a prime.

It is equal to p_3859762 and since 65345953 and 3859762 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65345957) 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, 32672976 + 32672977.

It is an arithmetic number, because the mean of its divisors is an integer number (32672977).

Almost surely, 2^65345953 is an apocalyptic number.

It is an amenable number.

65345953 is a deficient number, since it is larger than the sum of its proper divisors (1).

65345953 is an equidigital number, since it uses as much as digits as its factorization.

65345953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 40.

The square root of 65345953 is about 8083.6843703846. The cubic root of 65345953 is about 402.7846382400.

The spelling of 65345953 in words is "sixty-five million, three hundred forty-five thousand, nine hundred fifty-three".