65275577 has 2 divisors, whose sum is σ = 65275578. Its totient is φ = 65275576.

The previous prime is 65275571. The next prime is 65275579. The reversal of 65275577 is 77557256.

It is a happy number.

65275577 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., 64818601 + 456976 = 8051^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 65275577 - 2⁶ = 65275513 is a prime.

Together with 65275579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65275571) 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, 32637788 + 32637789.

It is an arithmetic number, because the mean of its divisors is an integer number (32637789).

Almost surely, 2^65275577 is an apocalyptic number.

It is an amenable number.

65275577 is a deficient number, since it is larger than the sum of its proper divisors (1).

65275577 is an equidigital number, since it uses as much as digits as its factorization.

65275577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514500, while the sum is 44.

The square root of 65275577 is about 8079.3302321418. The cubic root of 65275577 is about 402.6399898845.

The spelling of 65275577 in words is "sixty-five million, two hundred seventy-five thousand, five hundred seventy-seven".