65308673 has 2 divisors, whose sum is σ = 65308674. Its totient is φ = 65308672.

The previous prime is 65308631. The next prime is 65308697. The reversal of 65308673 is 37680356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62853184 + 2455489 = 7928^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 65308673 - 2¹⁴ = 65292289 is a prime.

It is not a weakly prime, because it can be changed into another prime (65308973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32654336 + 32654337.

It is an arithmetic number, because the mean of its divisors is an integer number (32654337).

Almost surely, 2^65308673 is an apocalyptic number.

It is an amenable number.

65308673 is a deficient number, since it is larger than the sum of its proper divisors (1).

65308673 is an equidigital number, since it uses as much as digits as its factorization.

65308673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 65308673 is about 8081.3781621701. The cubic root of 65308673 is about 402.7080271822.

The spelling of 65308673 in words is "sixty-five million, three hundred eight thousand, six hundred seventy-three".