65110061 has 2 divisors, whose sum is σ = 65110062. Its totient is φ = 65110060.

The previous prime is 65110057. The next prime is 65110063. The reversal of 65110061 is 16001156.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 11600836 = 7315^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 65110061 - 2² = 65110057 is a prime.

Together with 65110063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65110063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32555030 + 32555031.

It is an arithmetic number, because the mean of its divisors is an integer number (32555031).

Almost surely, 2^65110061 is an apocalyptic number.

It is an amenable number.

65110061 is a deficient number, since it is larger than the sum of its proper divisors (1).

65110061 is an equidigital number, since it uses as much as digits as its factorization.

65110061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 65110061 is about 8069.0805548092. The cubic root of 65110061 is about 402.2993838407.

The spelling of 65110061 in words is "sixty-five million, one hundred ten thousand, sixty-one".