65230609 has 2 divisors, whose sum is σ = 65230610. Its totient is φ = 65230608.

The previous prime is 65230573. The next prime is 65230619. The reversal of 65230609 is 90603256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 27531009 = 6140^2 + 5247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65230609 is a prime.

It is not a weakly prime, because it can be changed into another prime (65230619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32615304 + 32615305.

It is an arithmetic number, because the mean of its divisors is an integer number (32615305).

Almost surely, 2^65230609 is an apocalyptic number.

It is an amenable number.

65230609 is a deficient number, since it is larger than the sum of its proper divisors (1).

65230609 is an equidigital number, since it uses as much as digits as its factorization.

65230609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 65230609 is about 8076.5468487467. The cubic root of 65230609 is about 402.5475097912.

The spelling of 65230609 in words is "sixty-five million, two hundred thirty thousand, six hundred nine".