65725277 has 2 divisors, whose sum is σ = 65725278. Its totient is φ = 65725276.

The previous prime is 65725273. The next prime is 65725321. The reversal of 65725277 is 77252756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 27520516 = 6181^2 + 5246^2 .

It is a cyclic number.

It is not a de Polignac number, because 65725277 - 2² = 65725273 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65725273) 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, 32862638 + 32862639.

It is an arithmetic number, because the mean of its divisors is an integer number (32862639).

Almost surely, 2^65725277 is an apocalyptic number.

It is an amenable number.

65725277 is a deficient number, since it is larger than the sum of its proper divisors (1).

65725277 is an equidigital number, since it uses as much as digits as its factorization.

65725277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205800, while the sum is 41.

The square root of 65725277 is about 8107.1127412908. The cubic root of 65725277 is about 403.5625042968.

The spelling of 65725277 in words is "sixty-five million, seven hundred twenty-five thousand, two hundred seventy-seven".